Thursday, March 09, 2006

Keep your cleaning clean

From The Scotsman- How toxic is your home?

Mary Rayner, from the consumer watchdog magazine The Ethical Consumer, believes many of us are, and thinks we should be aware of the potentially harmful ingredients many of these cleaning products contain. "In an attempt to make us shell out for the latest products - promising ever faster and shinier results - many manufacturers [seem to be] adding more and more toxic ingredients to their cleaners without much regard for the effect they might have on the environment or the consumer," she says.

Amongst the worst culprits- ammonia, bleach and triclosan

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Poop Power- fuel from cow dung

Japanese scientists have announced that they can extract petrol from cow dung by applying high pressure and heat and hope to have a commercially viable system ready in a few years.

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Friday, March 03, 2006

Lunar Power

A small scale scheme in New York could be the precursor of widespread tidal power schemes.

The appeal of next-generation hydropower is hard to miss. "It's local, reliable, renewable, and clean. Plus, it's out of sight," says Trey Taylor, president of Verdant Power LLC, the Arlington (Va.) startup developing the East River site. Adds Roger Bedard, ocean energy leader at the Electric Power Research Institute (EPRI), the industry's research-and- development arm: "Offshore wave and tidal power are where wind was 20 years ago, but they'll come of age faster." By 2010, Bedard predicts, the U.S. will tap about 120 megawatts of offshore wave energy -- enough to power a small city -- up from virtually zero today.

via Treehugger

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Green cleaning solutions

Eco Street has a useful checklist of less polluting household cleaners

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Hybrid House

Hybrid technologies are almost finished building the "Hybrid House", which promises to be 100% self sufficient for energy. Buy the right kind of rechargeable hybrid car and you can plug that into the system as well.

via Treehugger

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Thursday, March 02, 2006

How to Save the World for Free is looking for a Green home

This blog has been going since October 2004, starting as Spinneyhead's EcoHouse before becoming How to Save the World for Free. All that time it's been sitting as a subdirectory of Spinneyhead. Now I think it's time for it to move out and fend for itself in the big bad world.

I'm looking for a Green hosting solution, hopefully one that costs less than $17.50/£10 a month (which is roughly half the blog's income last month). If anyone has suggestions please leave them in the comments.

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Loremo

It looks like the car of the future, as envisaged in numerous sci-fi films, and you will have to wait until 2009 to get the first ones. The Loremo offers fuel consumption of 1.5litres/ 100km. Someone on Digg has calculated that out to 159mpg for those of us still thinking in Imperial.

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Tuesday, February 28, 2006

Guess who'll pay extra for nuclear power?

The Green Party has warned that electricity bills will have to go up if the government builds a new generation of nuclear power stations. This shouldn't surprise many people, and Tony Blair is bound to ignore any such evidence now that he's decided to go ahead no matter what.

Green Party principal speaker Caroline Lucas MEP said: "Tony Blair is determined to push this country down the nuclear route, based on two arguments: guaranteeing affordable energy supply, and reducing carbon emissions.

"The Alternative Energy Review proves what anti-nuclear campaigners have long suspected - that, even using these criteria, nuclear power is the inferior choice.

"It shows that a twin-pronged investment in renewable alternatives and energy efficiency and conservation measures will not only deliver greater emissions reductions than nuclear power, it will deliver them more cheaply, and all without the huge safety risks inherent in the nuclear option."

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Saturday, February 25, 2006

The Government almost catches up with reality

"Ambitious" green building regulations unveiled by the Government last year have drawn so much scorn that they've gone back to the drawing board and come back with something more useful. Of course, they're too wimpy to apply them to new private builds, but it's a start.

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Environment and Community-Oriented

The guardian on "light green" tourism. Now, if only I could afford to actually go on holiday.

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Thursday, February 23, 2006

The Earthship Estate

A company called Biotecture has submitted plans for a 16 house estate in Brighton that will consist of Earthships- buildings constructed of old tyres and waste. The houses will be so efficient, and the plan incorporates rainwater capture and solar panelling, that the houses are likely to have no utility bills whatsoever. At £250,000 to £350,000 each they're a bit expensive to be the solution to the nation's housing shortage, but they show the way new builds should be going. And they deal with waste without having to incinerate it, so two birds with one stone.

Wikipedia Earthship entry.

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Mr. Luna's Bright Idea

Kenny Luna is a science teacher who is lobbying Oprah Winfrey to back a campaign that will supply a compact fluorescent bulb to every child in the US. He reckons it will save the country at least $2.3 billion in electricity expenditure.

via sustainablog

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Baby wind turbines

via sustainablog

N. Satyanarayana, a graduate student in India, has figured out a way to miniaturize a windmill so it can be used to charge a cellphone battery. It is a simple fan blade that is attached to a generator, also it’s waterproof so it can even be used in the rain. Imagine clipping one of these babies outside the window as you take the train into work, charging up your cellphone and other electronic devices you might have on hand. Its small blade cranks out a DC flow of one ampere with a potential difference of 12 volts, in other words, enough juice to power portable electronic stuff. It beats solar, as long as the wind’s blowing.

A commenter on the Gizmodo thread came up with the cool idea of clipping it to your bike to power accessories such as GPS whilst riding along.

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Dog Poo Power

San Francisco could get a dog poop power plant. Norcal Waste, who handle the city's rubbish, will begin a pilot program under which it will use biodegradable bags and dog-waste carts to pick up droppings at a popular dog park. This will then be broken down in a methane digester to create gas for combustion for heating or electricity generation.

via sustainablog

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ETA- a climate neutral motoring organisation

I don't have a car, so this is a suggestion for all my friends who do. ETA is a motoring association akin to the AA but with green fringe benefits. Not only do they offer all the recovery services they will also offset carbon dioxide equivalent to about ten thousand miles of driving. The description on Eco Street Blog compares the service side by side with the AA and it seems to compare well. The only question I would have is whether ETA membership is for a specific car rather than the AA's one driver- any car version.

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Ethical Man

Newsight have decided they should have an "Ethical Man" on their team. Justin Rowlatt will try to live as ethical a lifestyle as possible over the course of a year. A neat idea, though the Guardian had Leo Hickman- who will be serving as Rowlatt's ethical guru, doing something similar last year.

via The EcoStreet Blog

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Tuesday, February 21, 2006

Carbon Map

A map of carbon emission density in the UK shows the effects of energy use and local energy policies. Manchester produces 2,129,344 tonnes of carbon per square kilometre each year (0.95 tonnes per person), one of the highest amounts in the country.

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Friday, February 17, 2006

Tree Blocks Elves wooden toys



Affiliate Link


Intriguing and ethical toys for your little ones.

If you are looking for toys that will fire your child's imagination and creativity then look no further than the TREE BLOCKS Elves toys, blocks, houses and furniture and the carefully selected range of other quality wooden toys.

The vision of the TREE BLOCKS Elves is to provide fun and learning oriented toys produced in a socially and ecologically responsible way.Maths Set

The TREE BLOCKS Elves take nature and the environment very serious and for example ensure no living tree is damaged when making any Tree House, using the discards of orchard trees and managed paper forests. They also ensure all other products sold conform to the strictest of European environmental requirements.

In relation to the TREE BLOCKS Elves own Tree Houses, Apple Cherry, Hazelnut and other orchard trees that have been abandoned or are near the end of a productive cycle are located by the TREE BLOCKS Elves. They then push the old trees over, thereby removing the roots and haul them away to make more Tree Houses. This leaves the farmer clean soil, so he can be back into production.


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Thursday, February 16, 2006

Increased CO2 may cause plant life to raise rivers

Plants around the world are requiring less water, another effect of the increased CO2 in the atmosphere. The higher concentrations mean plants can absorb the gas and convert it through photosynthesis more efficiently, meaning they need less water overall. This could be a good thing, as Gaia self regulates the CO2 out of the atmosphere, but it is also leading to an increase in water run off and greater risks of flooding.

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Eco-farming to bootstrap poor economies

A major study has shown that green farming methods such as crop rotation and organic farming increased crop yields by an average of 79%, without risking future harvests.

"Most people think it is bad news from the south," Professor Pretty said, "but in many ways farmers in developing country are leading the way."

The researchers found methods that did not have an adverse effect on local biodiversity allowed farmers to reap the rewards of growing crops in healthy soil.

"People are using a variety of integrated pest management techniques; making the best of biodiversity like predators, parasites and multiple cropping," Professor Pretty told the BBC News website.

"In essence, it allows the ecosystem to deliver the pest management services."

This approach paid dividends, he said, because it not only cut the use of pesticides but also resulted in farmers having to spend less of their income on chemicals.


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Sugar in the tank

They may not be popular with Tescopoly, but Tescos are doing some interesting things on the environmental front. They have started selling petrol with 5% bioethanol at their petrol stations.

According to the renewable transport fuels obligation, the details of which are to be described in this year's budget expected in March, 5% of all motor fuel must come from renewable sources by 2010. Government figures suggest that if bioethanol replaced 5% of petrol in the UK, it would have the environmental impact of taking a million cars off the road.

Of course, we could take a million or so cars off the roads as well.

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Eco-home building shows

Hippyshopper has a useful post on upcoming shows dedicated to building your own low energy home.

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Tuesday, February 14, 2006

Monday, February 13, 2006

Tories turn against nuclear

The Conservatives could be prepared to drop their historic commitment to nuclear power to underline their new "green" credentials under David Cameron, it emerged last night.

On the eve of the launch today of a Tory review of energy policy, Alan Duncan, the shadow trade and industry secretary, said that his party now had "no fixed opinion about nuclear energy".

They have a website energyreview.info for you to get involved in their discussions about energy policy.

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Ban the Bulb

I've been considering more sensible uses for the money that's going to be wasted "deciding" that we should build new nuclear power stations. One of my ideas was to send a low energy bulb to every household, saying it should replace the most used filament bulb in the house. In a BBC interview/opinion piece, Dr Matt Prescott argues that the filament bulb should be banned completely.

It has been estimated that if every household in the US replaced just three of its incandescent light bulbs with energy-saving designs and used them for five hours per day, it would reduce emissions of carbon dioxide by 23 million tonnes, reduce electricity demand by the equivalent of 11 coal-fired power stations and save $1.8bn.

Given that investing $450m could save $1.8bn, it is hard to understand why anyone would still choose incandescent bulbs.

[...]

In 2002, the UK government spent £410m on bailing out its near-bankrupt nuclear sector.

That would be more than enough to supply every household in Britain with three energy-saving light bulbs.

banthebulb.org

via Unplugged Living

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Saturday, February 11, 2006

No New Nuclear petition

Tim Farron - Liberal Democrat Member of Parliament for Westmorland and Lonsdale (in Cumbria) has added his support to this petition and added his signature to the hundreds already on the paper version

To: Prime Minister of the UK

We petition the Prime Minister of the UK to the effect that we do not want any new Nuclear Power Stations, because nuclear power:

* facilitates proliferation of nuclear weapons worldwide and endangers our security
* amasses vast amounts of waste, which remains lethal for 100,000s years
* has an exorbitant cost and is not carbon free
* will not provide the answer to climate change
* has left a lethal legacy of tens of thousands abandoned uranium mines on the land of indigenous people worldwide

The Navajo say "water is life" (www.endaum.org)
What is the point of being able to switch the light on if you cannot drink the water?

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Tuesday, February 07, 2006

Out of the rat race and under a green roof

Leonie Davies, a former department head with the investment bankers J P Morgan, finalised her divorce, quit her job and left London for Norfolk. There she spent four years and £400,000 building her dream eco-house. The green roofed, earth sheltered geothermally heated building has set her back more than planned, but she's glad to be away from the city and its skewed priorities.

"I was paying a huge mortgage so that I could have a home close to my office, where I was working so that I could afford the huge mortgage on my home. I realised just how crazy that was."

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Scotland 'hits recycling targets'

Scotland has reached its target of recycling 25% of municipal waste, according to figures for the second quarter of 2005/06.

The Scottish Environment Protection Agency statistics, covering the period from July to September, were welcomed by Environment Minister Ross Finnie.

But he said that more had to be done to improve Scotland's record, a call echoed by unions and environmentalists.

The minister launched a consultation to seek views on the issue.


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Sunday, February 05, 2006

Mighty Mice

Filed under Must Read Later.

via a comment on this Treehugger post came a link to the Rocky Mountain Institute. The first entry under nuclear power is an article entitled Mighty Mice (pdf). The description reads-

The most powerful force resisting new nuclear may be a legion of small, fast and simple microgeneration and efficiency projects. In this guest article in the UK-published Nuclear Engineering International, Amory Lovins explains to the industry who its most formidable competitors are: not central coal- or gas-fired power plants, but micropower and efficient use. These are already adding more than ten times as much global capacity per year, and, being much cheaper, provide more climate solution per dollar and per year. (29 December 2005).


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Friday, February 03, 2006

You knew you couldn't trust him, didn't you?

Dubya's a politician, so you expect him to lie. So it comes as no surprise that his State of the Union speech pledge to wean the US off foreign oil was "not meant to be taken literally".

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Eco Street

I was idly fantasising about what I'd do with the massive Euro Lotterry roll over prize (very idly as I'm not dumb enough to waste money on it) and came to the conclusion that I'd build an eco community. I've been beaten to it, as Arthur Street in Penrith has become Britain's first eco-street. The initiative was led by residents and has become a great way to build community as well as saving money and promoting environmental technologies.

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On your (biodiesel) bike

Jalopnik points to an auction on EBay of a biodiesel powered motorbike. The Royal Enfield 350cc diesel motorcycle was imported to the US from India and then converted to run on biodiesel before seeing duty as a demo bike for the concept. It gets around 200 miles to the gallon, though it's more of an around town potterer than a grand touring or racing bike.

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Thursday, February 02, 2006

Pow Wow Eco Arts

Pow Wow exists to promote collaborative creativity between the arts, environmental and community sectors and promote sustainable living. They also produce the eco arts directory for artists producing environmental art.

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Quiet Revolution wind turbines

Quiet Revolution wind turbines are vertical and rather gorgeous to look at. Virtually silent and vibration free, they are ideally suited to both urban sites and exposed locations, they can also become billboards using LEDs embedded in the blades. The first installation is due for later this year, on a roundabout.

via Treehugger

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Got Wind?

I fancy having a go at making my own micro wind turbine. Perhaps one of the projects at this site will be suitable.via TreehuggerTechnorati tag:

Ads by AdGenta.com

The Rotating Cylinder Valve engine

RCV engines, developed by a British company, offer two-stroke power with four-stroke efficiency and cleanliness for engines up to 250cc. They are also well suited to alternative fuels such as kerosene and bio-fuels. Widespread adoption of the technology could take the edge off increased demand for scooters and small motorbikes in China and India and make suburban mowers and leaf blowers cleaner.

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....And they could make more economical cars and people could stop driving so much

Let's face it, it's impossible to believe anything GW Bush says. He goes on about the US' addiction to petrol and touts ethanol from grass as a possible saviour, but doesn't have the guts to suggest that Americans walk to the shops or buy more economic cars.

Related The Times on Brazil's ethanol economy.

Unsurprisingly, the promises don't bear up to scrutiny.

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Wednesday, February 01, 2006

The ever greener Co-op



My current employers keep launching environmental initiatives. These micro wind turbines are the first of a bunch atop their building on Portland Street. They generate 1kW each, save about a ton of carbon dioxide a year and will have paid for themselves in four or five years.

All of the taller buildings in the city should have a copse of wind turbines, I think.

Make your own news report with the raw footage from BSN.

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Tuesday, January 31, 2006

Rain Gardens

Rain gardens, shallow depressions containing bark mulch and shrubs, can remove up to 99% of toxins from rainwater run off. With built-up urban areas generating nine times more runoff water than woodlands of a similar size anything that can act as a buffer has to be welcomed.

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Friday, January 27, 2006

30 centimetres closer to the beach

Sea levels could rise by 30 centimetres by the end of the century if current trends prevail. An Australian study found that sea levels rose by 19.5cm between 1870 and 2004, with accelerated rates in the final 50 years of that period. Extrapolation gives the worrying century's end figure.

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Here comes the bio-power

Work is due to begin on a £90million biomass power station near Lockerbie in Scotland. The scheme converts waste timber products into energy and should supply enough power to meet the needs of around 70,000 homes.

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Thursday, January 26, 2006

Tap your heels together and repeat "There's no such thing as global warming."

2005 was the warmest year on record, according to NASA.

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GCSE Level heat pumps

The Guardian on the wonder of heat pumps.

With fossil fuels becoming alarmingly expensive, this environmentally friendly and low-cost alternative to gas central heating is finally coming into its own in the UK. It is incrediblyeffective, capable of achieving 400% efficiency - giving out more energy (typically 3 to 4 kilowatts) than the householder puts in to run it (typically 1KW). By comparison, an average gas boiler works at 90% efficiency at best.


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Titanium nanotubes to increase solar energy efficiency

Researchesr at Penn State university are using highly ordered arrays of titanium nanotubes to increase the efficiency of photolysis- the breaking down of water to hydrogen and oxygen by sunlight.

"Basically we are talking about taking sunlight and putting water on top of this material, and the sunlight turns the water into hydrogen and oxygen. With the highly-ordered titanium nanotube arrays, under UV illumination you have a photoconversion efficiency of 13.1%. Which means, in a nutshell, you get a lot of hydrogen out of the system per photon you put in. If we could successfully shift its bandgap into the visible spectrum we would have a commercially practical means of generating hydrogen by solar energy. It beats fighting wars over middle-eastern oil."

via Warren Ellis

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Wednesday, January 25, 2006

Recycling Mobiles

Hippyshopper has a short post on one way to recycle mobile phones. I've got at least two hanging around that I haven't wanted to get rid of because they'd just end up in landfill. I think they'll be going in a bag marked FREEPOST GREEN GAMBIA instead.

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20% Tidal

The Carbon Trust thinks that up to a fifth of the UK's power could be generated by tidal and wave power.

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Friday, January 20, 2006

Where do clouds come from?

Scientists are beginning a three week experiment to better understand the formation process of tropical clouds. Better understandings of the factors involved will help build better models for predicting climate change.

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First get rid of the old waste

241,000 cubic metres of intermediate-level and 1,340 of high-level nuclear waste need disposal according to Nirex. The government adviser has published its latest inventory of current radioactive waste totals in the UK, and its forecast of waste totals to be created from the operation and decommissioning of existing nuclear facilities.

And if Tony Blair gets his way and restarts the UK's nuclear industry there'll be ever more of this stuff. I'm not as panicky as some about this, but we're supposed to be cutting down on the pollutants we bequeath our children not increasing the volume of it.

John Dalton, Nirex corporate communications manager, said: "We have been generating this stuff for 50 years or so - surely we have responsibility to deal with the waste we have got now.

"We don't want to just be passing it on to future generations."

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Wednesday, January 18, 2006

micro generation in New Scientist

Two truncated pieces in the New Scientist (you need premium membership to see the full versions) show the way that energy policy should be going. The rooftop power revolution and Editorial: A generator in every home. Somebody find the recent UK government report that estimates that such microgeneration could supply 25 per cent of the country's electricity by 2050 and make sure the Energy Secretary reads it.

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Nuclear power no use

A recent poll found that 54% of people would support nucler power if it could stop global warming. The crucial word there is if. There are a lot of things that people would do if there were a guaranteed pay off. More importantly, and the part that Blair will ignore, 78% felt that renewable sources were more important in the fight against climate change, and 76% thought reducing energy through lifestyle changes and energy efficiency was better.

Far better, [Dr Kevin Anderson, from the Tyndall Centre for Climate Change Research at the University of Manchester] believed, was a policy which sought significant emission reductions through greater efficiency.

"Why are we still selling fridges with a B, C, D, and E ratings? An A-rated fridge is a standard and you set it. You make sure all new buildings are well built with very high energy efficiency.

"You inform industry that standards will be incrementally increased so that they have market signals. You tell car manufacturers, for example, that to sell a car on a UK forecourt by 2010, it must meet a minimum fuel economy."

Which is pretty much what the Liberal Democrats say, making them still the most sensible political party no matter what they did to Charles Kennedy.

[Environment spokesman Norman Baker] said: "A new generation of nuclear power stations should not be part of the future UK energy mix.

"Nuclear power is hopelessly uneconomic and the commissioning of a new generation would effectively result in a nuclear tax on every household to pay for them.

"A new generation of nuclear power stations would generate vast quantities of nuclear waste and divert essential funding away from energy efficiency and renewable sources of energy."


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'Better insulation could save £120'

Millions of British homes do not have enough insulation to cope during cold spells, a new survey has shown.

Householders prefer to crank up their thermostats to keep themselves warm.

This wastes an estimated £1.5 billion and produces 15 million tonnes of carbon dioxide each year, according to the Energy Saving Trust.

Rather than wasting time and money trying to relaunch nuclear power Blair should call for an initiative to fix this problem and cut energy consumption in general. Prevention is better than cure, remember. If the country's using less energy then it can afford to get its electricity from more sustainable sources.

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Saturday, January 14, 2006

US tax breaks for hybrid buyers

A step in the right direction from an oil hungry country. The Energy Policy Act allows tax credits worth up to $3,400 for hybrid owners. Other vehicles eligible for credits include fuel cell vehicles, alternative fuel vehicles, and hybrid heavy trucks.

via Digg

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Friday, January 13, 2006

Be a Real Man, be Green

Not really the meaning of Thomas Friedman's piece, but you get the gist of it. Our leaders are content to carry on with the same old same old, pretending that minor variations on old policies and moronic shows strength are new and brave. If they really cared about the future they'd be joining us in looking for new ways to live with minimal impact on the environment.

[W]hen it comes to what is actually the most important issue in U.S. foreign and domestic policy today - making ourselves energy efficient and independent, and environmentally green - [Bush and Cheney] ridicule it as something only liberals, tree-huggers and sissies believe is possible or necessary.

Sorry, but being green, focusing the nation on greater energy efficiency and conservation, is not some girlie-man issue. It is actually the most tough-minded, geostrategic, pro-growth and patriotic thing we can do. Living green is not for sissies. Sticking with oil, and basically saying that a country that can double the speed of microchips every 18 months is somehow incapable of innovating its way to energy independence - that is for sissies, defeatists and people who are ready to see American values eroded at home and abroad.

Living green is not just a "personal virtue," as Mr. Cheney says. It's a national security imperative.

via Treehugger

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Appleseed biodiesel processor

The "Appleseed" processor is an open source design for a cheap biodiesel refinery utilising an old water heater tank and easily available plumbing supplies. It's proved very popular with loads of versions, variations and improvements.

via Sustainablog

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Monday, January 09, 2006

Saturday, January 07, 2006

What Would the Stig Do?

Despite the fact that it can outperform most of the cars that give the Top Gear presenters wet dreams, I don't think the X1, electric concept car from Wrightspeed, is going to be doing a timed lap piloted by the Stig any time soon. Clarkson couldn't make any milk float jokes if presented with the truth.

Check out a ride along in this video.

via Jalopnik

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Life in the Project:LIFE House

The Parnell family spent a year in an experimental eco house to test a number of features that could be incorporated in the home of tomorrow. It was originally meant to be a six month trial but they loved it so much they doubled the length.

Although the Project:LIFE house contains so much that is environmentally friendly and technologically advanced, the prime aim of the project is to investigate the changing households of the future, according to James Wilson, the development director of David Wilson Homes. "As house builders we often have to be more conservative than we would like," he says. "In this project, we have pulled together a big collection of ideas. We're trying to consider demographics and changing lifestyles, different expectations and requirements and combine all the latest ideas and thoughts."

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Police Horse Power

Manchester's Police horses are to contribute to cutting the costs of their upkeep. Dung from the equine coppers is to be compressed into bricks that can then be burnt to provide heating and hot water for the stables, helping reduce its £1.5m annual energy bill.

Shauna Carberry said: "This idea really stood out and as soon as we can find the money we are definitely going to put it into practice. The horse manure will provide heating and hot water for the stable block and it is likely to provide more energy on top of that.

"We're not sure yet exactly how much money will be saved, but it's likely to be a lot once the furnace costs are out of the way."

There are other initiatives as well- all the force's 1,275 diesel vehicles were converted to using biodiesel this week.

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Friday, January 06, 2006

Act Local

FutureManchester.org.uk, a list of local groups for campaigning, trading, etc.

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NIMBYs in New York

Wired on the campaigners against New York state's plans for windmills. They seem to be concerned about the values of their property without thinking about how real estate prices will plummet when New York becomes the land of the constant blackout.

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The return of the population timebomb

Professor Chris Rapley, the head of the UK's Antarctic research agency, says that the growing global population is one of the biggest problems facing the environment. He has named the issue the "Cinderella" issue of the eco debate.

"If we believe that the size of the human [ecological] 'footprint' is a serious problem, and there is much evidence for this," he writes, "then a rational view would be that along with a raft of measures to reduce the footprint per person, the issue of population management must be addressed."

A number of studies suggest that humankind is consuming the Earth's resources at an unsustainably fast rate.

Even so, the issue of population is hardly ever discussed at environmental summits or raised by green lobby groups.


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Thursday, January 05, 2006

Sea Solar Power- tapping the oceans' temperature gradients

Sea Solar Power Inc. (SSP) is developing a solar power technology that uses a reverse refrigeration cycle to harness the solar energy stored in the sea by tapping the thermal gradient that exists naturally between the surface and deep waters. This temperature difference between surface water and that at 3000 feet in tropical oceans is sufficient to operate vapor turbines, which drive generators to produce electricity, with fresh water as a byproduct. SSP, run by three generations of the Anderson family, has been working on the technology since 1962.

via Slashdot

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The end of cheap waste

Peter Jones, a director of Biffa- Britain's largest waste handling company, says that tighter EU recycling laws and higher landfill taxes will cost up to £8bn within years.

"The days of chucking waste into holes in the ground are over and the future is hi-tech, efficient, but fiendishly expensive. Instead of chucking 75% of everything we have finished with down a hole for about £12 a tonne, within a few years very little will be landfilled and that will cost two or three times what it costs now. We expect it to cost Britain £5-8bn to deliver an 80% diversion from landfill. Everyone is in for a rude shock."

Efficient and fiendishly expensive? I can't help thinking he's missing a bit of joined up thinking and hasn't considered the money making potential of closing the manufacturing cycle with recycling.

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Warm weather 'to boost food bugs'

Almost a crossover with Digest here-

Britain could see a dramatic increase in food poisoning cases and waterborne disease as the warmer, wetter weather linked to climate change takes hold.

Hotter summers could lead to more salmonella cases as people opt for more barbecues but leave food out of the fridge, Professor Paul Hunter warned.

Heavy rain may also lead to more cases of diarrhoea-inducing cryptosporidium.

The University of East Anglia expert said Britain may also see some malaria cases - but is likely to cope.

Not what I'd consider the most pertinent factor of global warming, more of a worrisome side effect.

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Wednesday, January 04, 2006

Solar Tower

Whilst looking for stats on the CIS Tower's photovoltaic refit I found this CIS siteabout the project.

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Manchester's first biodiesel service station

The first service station in the country to sell only biodiesel opened yesterday on Fairfield Street, near Piccadilly Station in Manchester. It was set up by a co-operative of Manchester motorists keen to promote the new energy source.

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Tuesday, January 03, 2006

Peter Hain walks the talk

Peter Hain, the secretary of state for Northern Ireland, and the secretary of state for Wales has taken advantage of a government grant to install photovoltaic panels on his constituency home.

"I decided to put my money where my mouth is. It's not cheap." Mr Hain and his businesswoman wife, Elizabeth Haywood, paid £8,000 - with another £8,000 coming from the grant - to place photovoltaic panels on the roof of the barn conversion they refurbished in the summer.

He hopes the investment will eventually pay for itself. Any surplus electricity generated is sold back to the national grid.

"When we are not using it, when we are away, then it generates electricity which goes back to the grid. So we save on our bills when we are at home, and when we are not at home it basically goes back to the grid and we get paid for it," he added.

It's also good to see that the Welsh Assembly's attitude to nuclear is more sensible- there is not yet a case for it because energy saving and more cost effective renewable sources should be utilised first.

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Monday, January 02, 2006

Top Ten Green Energy Schemes

The Department of Trade and Industry has named ten schemes which began last year that show the way ahead in cutting carbon emissions and promoting renewable energy. They include offshore turbines in Kent, a wave buoy in Cornwall and the solar-panelling of the CIS tower in Manchester.

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Jatropha powered Le Mans

D1 Oils, previously mentioned as a top supplier of Jatropha curcas tree based biodiesels, is set to enter a car in the 2006 Le Mans 24 hours. The top speed from the modified Volkswagen engine is 200mph, compared to 215mph for petrol engines, but the team are counting on the greater efficiency meaning fewer fuelling stops.

D1 chief executive Philip Wood said apart from winning the coveted Le Mans gold trophy, the team's other objective is to test the performance, fuel efficiency and emissions produced by different biodiesel blends during the trials.

"This is about demonstrating that low emissions don't mean low performance," he said.

"It is going to be of immense value to motorists who want to know that biodiesel will get them the mileage and performance they need while contributing less to global warming."

via Foursprung and Jalopnik

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Thursday, December 22, 2005

Energy from Waste

Enviropundit has a selection of links on the subject.

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Friday, December 16, 2005

Stealing energy from passing traffic

If I lived on a busy through road I'd definitely want one of these outside my house. A metal ramp is moved by vehicles passing over it and generates electricity. Tests have shown that they can generate between 5 and 50kW depending on the weight of the vehicle passing over them.

We discussed this and, strictly, it's reducing the efficiency of the cars by stealing kinetic energy generated by their engines. However the generation of that energy is producing pollution in the neighbourhood, so the drivers should pay a little back. The best locations would obviously be roads that are already due to have speed bumps installed, making the traffic calming pay for itself.

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Thursday, December 15, 2005

Welsh wave power

West Dale Bay near Milford Haven is to get a rather appropriately named Wave Dragon tidal power station.

The floating units are moored to the sea bed but are able to adjust their position to the on-coming wave direction.

Water is channelled into a reservoir above sea level. It is then released through a number of turbines to generate electricity in the same way as hydro-electric power plants work.

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D1 Oils and Jatropha biodiesel

Another link I found whilst surfing the Co-op's intranet.

D1 Oils want to generate biodiesel from the seeds of the jatropha tree, a hardy shrub that can be grown all over the developing world.

Because it requires minimal rainfall, jatropha can be grown successfully on marginal, degraded, or even desert land. The trees also help prevent soil erosion. In addition to yielding oil for refining into biodiesel and glycerol for use by the cosmetics industry, the residual oil cake is excellent organic fertiliser. Research is underway into alternative uses for the residual seedcake, such as animal feed, briquettes for power generation and nutraceuticals.

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Tuesday, December 13, 2005

FTSE4Good

The FTSE4Good Index Series has been designed to measure the performance of companies that meet globally recognised corporate responsibility standards, and to facilitate investment in those companies. Transparent management and criteria alongside the FTSE brand make FTSE4Good the index of choice for the creation of Socially Responsible Investment products.

I've been reading up on the Co-op's environmental guidelines on the intranet, which is where I found out about FTSE4Good. I need to find out who to suggest green roofs to in the corporation.

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Saturday, December 10, 2005

Ethanol from Shitake

An enzyme in Shitake mushrooms is particularly efficient at breaking down dead wood into sugars. So scientists are working on an enhanced version of the enzyme to make the production of ethanol more efficient.

Called Xyn11A, the gene carries the instructions that the mushroom uses to make an enzyme known as xylanase. The researchers want to see if a ramped-up version of the gene could be put to work digesting rice hulls or other harvest leftovers.

If enzymes can do that quickly and efficiently in huge vats, or fermenters, at biorefineries, they could help make ethanol and other products a practical alternative to today's petroleum-based fuels, for example. That's according to Charles C. Lee, an ARS research chemist.

via Treehugger

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Mapping Pollution from Space

Dutch scientists are putting together remarkable maps showing pollution over Europe and other regions of the globe.

Using the US space agency's Aura satellite, the team can look right down to the troposphere, the lowest part of the atmosphere where we all live.

The Ozone Monitoring Instrument (Omi) and other key equipment on Aura can build a daily picture of air quality.

The pollution maps, which can see detail at the city scale, will be used to identify problem hotspots.

via Warren Ellis

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Thursday, December 08, 2005

The Case Against Clarkson

Earlier this year Jeremy Clarkson received an honorary degree for services to engineering or something. Coming the week after he'd written that he wanted to run over cyclists, presumably because he's jealous that we use the road more effectively than he, there were calls that he shouldn't get the award and a thoroughly deserved flanning.

It's true, the award should be taken off him. But not for the fatwa on cyclists, or the equally dumb comments on environmentalism. No, he should lose the degree because his comments display an appalling lack of understanding of what engineering is, and should be, about.

Engineering is about solving problems, preferably as simply and elegantly as possible. In aesthetic terms a hand built single speed bike is worthy of inclusion in the finest galleries amongst the masters. A Ferrari is that picture of the tennis girl hitching up her skirt.

Levelling the playing field a little, to give cars some chance, the best engineered car of all time has to be the Beetle. There have been more efficient cars, faster cars and (arguably) better looking cars, but none of them is such a simple statement of car-ness in its most basic form (four people and their luggage to their destination as simply and reliably as possible).

Since the Beetle cars have just been getting more complicated. They're not good, innovative engineering any more. The modern auto designer is little more than a hot rodder, forever fiddling with the details and introducing more gimmicks. It's very easy, relatively, to build the sort of super car Clarkson salivates over. The real automotive challenge lies with the sorts of vehicles he mocks, hybrids, Smarts and low energy town cars.

What about the Industrial Revolution, that great age Clarkson likes to hark back to. He'd tell you that the machine age couldn't have started with the sort of health and safety rules that exist nowadays. But that's a non argument, easily ignored. The Industrial Revolution was about increased efficiency. Cheaper products meant more people could afford them and the quality of life rose. Who, these days, are the greatest proponents of increased efficency? You can bet it's not Clarkson's favourite car makers, desperate to sell soft roaders for the school run and condemn a generation to obesity and early heart attacks.

And finally, what would Clarkson's hero Brunel make of all this. Brunel tackled the problems of the day in the most audacious ways he could imagine. He wouldn't be chasing diminishing returns with ever more pointless supercars. He'd be building offshore wind farms or solving congestion by hanging monorails above pedestrianised city centres.

Clarkson glorifies past triumphs of engineering, which isn't such a bad thing. But he can't recognise great contemporary engineering and belittles the area in which the discipline's next great achievements will be made. As such he is doing it great harm and should have his honorary degree rescinded.

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Customers Who Care

The co-op runs a campaign called customers who care, on a different issue every year. For 2006 it's combatting climate change

www.co-operativebank.co.uk/cwc

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Tuesday, December 06, 2005

Biodiesel's big bad

Biodiesel could be more carbon intensive than the fossil fuels it replaces. Specifically if it's made from palm oil, the most popular source at present.

Before oil palms, which are small and scrubby, are planted, vast forest trees, containing a much greater store of carbon, must be felled and burnt. Having used up the drier lands, the plantations are moving into the swamp forests, which grow on peat. When they've cut the trees, the planters drain the ground. As the peat dries it oxidises, releasing even more carbon dioxide than the trees. In terms of its impact on both the local and global environments, palm biodiesel is more destructive than crude oil from Nigeria.


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Scientist hopes for CO2 storage

Mankind's only hope of staving off catastrophic climate change is burying CO2 emissions underground, says the UK's chief scientist.

Sir David King told the BBC carbon capture and storage technology was the only way forward as China and India would inevitably burn their cheap coal.

This would be disastrous unless they were persuaded to put CO2 from power stations into porous rocks, he said.

It is thought carbon capture and storage would add 10-15% to fuel bills.


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Nations shamed with fossil award at climate talks

In the environmental equivalent of name and shame, countries making what environmental groups call the silliest or most backward comments at climate change talks in Montreal are being awarded toy dump trucks filled with coal.

In a gathering where solar, wind and geothermal power are being touted as ways of saving the planet from global warming, green groups are using the fossil-of-the-day award to take the sting out of talks that aren't making much progress.


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'Biggest wind farm' postponed

The planned construction of Wales' biggest wind farm in the Bristol Channel has been postponed for at least two years.

Work on 30 turbines, each 400ft tall, at Scarweather Sands off Porthcawl, was due to start in 2006.

But developers E.ON UK and Energi E2 said on Monday that the project was currently not financially viable.


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Friday, December 02, 2005

Story of a badge



The BBC traces the history of the Nuclear Power? No Thanks! badge

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Street level carbon trading

Personal carbon quotas could be one of the ways to cut CO2 emmissions.

Domestic Tradable Quotas are in effect personal allowances to pollute.

In Europe, about 12,000 big companies and institutions already have such allowances, regulated by the EU's Emissions Trading Scheme (ETS).

Pollution has become a commodity with a price determined by the market, which will ensure that emissions are cut in as cost-effective a manner as possible.

DTQs would simply extend this concept to the public.

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Climate change 'will dry Africa'

Two new studies predict that climate change will make dry regions of Africa drier still in the near future.

Computer models of the global climate show the Sahel region and southern Africa drying substantially over the course of this century.

Sahel rainfall declined sharply in the late 20th Century, with droughts responsible for several million deaths.

The research comes just after the latest United Nations summit on climate change opened in Montreal.

with that and the mini Ice Age in the North we're going to end up cramming most of humanity into a thin strip around the Mediterranean and hoping it can support us.

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Science faces 'dangerous times'

Fundamentalism is hampering global efforts to tackle climate change, according to Britain's top scientist.

In his final speech as president of the Royal Society, Lord May of Oxford will say scientists must speak out against the climate change "denial lobby".

He will warn core scientific values are "under serious threat from resurgent fundamentalism, West and East".


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US rejects Blair's climate hopes

The US has dismissed a suggestion from UK Prime Minister Tony Blair that it may be prepared to sign up to binding targets to tackle climate change.

Speaking at UN climate talks in Canada, the US chief negotiator said his nation would not enter talks about fixed curbs on emissions of greenhouse gases.

Mr Blair told UK business leaders on Tuesday that he believed all major nations would support new targets.

Is there a way we can do this without them. No malice to the millions of US citizens who are trying to make a difference, but the world will be a better place after their leaders' stupid policies cause the country's economy to collapse and force a low energy rebuild on it.

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Thursday, December 01, 2005

'Climate threat badly understood'

Public understanding of climate change and what people can do to help tackle the problem is very weak, the environment secretary has said.

Margaret Beckett was launching a new campaign to persuade people global warming needs to be tackled now.

Under the banner of "Tomorrow's Climate, Today's Challenge", ministers want to recruit local groups to take the message to new audiences.

The government says its usual campaigns will not change public attitudes.

I still reckon you should appeal to peoples' wallets, as the title of How to Save the World for Free alludes to. Let them see a cut in energy bills and then they'll be ready to listen to you about all sorts of other stuff.

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Failing ocean current raises fears of mini ice age

The ocean current that gives western Europe its relatively balmy climate is stuttering, raising fears that it might fail entirely and plunge the continent into a mini ice age.

The dramatic finding comes from a study of ocean circulation in the North Atlantic, which found a 30% reduction in the warm currents that carry water north from the Gulf Stream.

The slow-down, which has long been predicted as a possible consequence of global warming, will give renewed urgency to intergovernmental talks in Montreal, Canada, this week on a successor to the Kyoto Protocol.

For those who laughed, this was the plot to The Day After Tomorrow

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Wednesday, November 30, 2005

Surreal traffic calming

Oxford based children's author and traffic campaigner Ted Dewan set up a series of art installations in his residential street as traffic calming measures. The "roadwitches" included giant bunnies, a bed for a sleeping policeman and a living room in the middle of the road. Of course, some drivers showed the IQ reducing effects of too long in their smog boxes.

"A driver of a 4x4 didn't so much disapprove - he was too crazed and violent for that. He seemed to be made psychotic by the idea that roads could exist for anything other than him to drive on," he says.

This motorist deliberately drove into pieces of the living room furniture and then called the council to demand that they shift whatever was left lying in the road.

via BoingBoing

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Tuesday, November 29, 2005

Nuclear Blair? No thanks!

Tony Blair's nuclear announcement got the reception it deserved.

Greenpeace protesters have disrupted a speech used by Tony Blair to launch an energy review which could lead to new nuclear power stations in the UK.

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How much?

Someone on Radio 4 just said that the soon-to-be-proposed new nuclear power stations would need a budget of £17 billion. Even if that's only American billions that's a stupid amount to shell out on a scheme that won't come online for ten years and will still be dangerously polluting (not at the plants, a huge amount of energy is required to mine the fuel and all mines have run-off, can you imagine what a uranium mine leaches into the water supply.)

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Greener in Queens

A councilman in the New York suburb of Queens is trying to make it illegal to pave over lawns. Of course the car junkies, who are more interested in parking space than flood risks, don't like the idea.

via Sploid/ Hit & Run

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Monday, November 28, 2005

Climate summit opens in Montreal

The first United Nations climate conference since the Kyoto agreement came into force in February has opened with the US still resisting targets.

Delegates meeting in the Canadian city of Montreal are to discuss how targets on cutting greenhouse gas emissions over the next seven years will be met.

Thousands of scientists, officials and environmentalists are attending 12 days of talks.


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No choice over nuclear - Beckett

Nuclear power may have to be embraced in a bid to combat climate change even though it is not a "sustainable" energy source, Margaret Beckett has admitted.

The environment secretary said she was very reluctant to build new nuclear power stations, but that she had "accepted that it could happen".

But Mrs Beckett said any investment in nuclear must not be at the expense of renewable energy sources.

I don't know. I just think there's a lack of imagination from the Government. They can only think in terms of big fixes, building more power stations to take up the increase in demand rather than thinking about cutting the demand. Higher energy efficiency standards for new homes and increased grants for people installing solar and wind systems should be considered well ahead of building any new nuclear, (clean) coal or oil power stations.

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Congestion scheme may be extended

Motorists in more areas in the UK could face congestion charges under a pilot scheme announced today.

Speaking at a conference of business leaders, the secretary of state for transport, Alistair Darling said "radical measures" were needed to tackle congestion and he added that he supported the development of a national road pricing scheme.

"One of the biggest threats to economic expansion we face in the next 10 to 15 years is congestion on the roads in our towns and cities," Mr Darling told delegates. "Congestion is bad for business, frustrates motorists and hurts local economies."

Manchester is likely to be one of the areas affected.

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"We need to make nature listen to us."

A special address by President Bush on the environment.

via Screenhead

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