Future temperatures could be too hot to survive

Huge swathes of the world could become too hot for human beings to survive, if current worst-case scientific projections of global warming turn out to be true.

Google makes major wind farm investment

Google - one of the largest consumers of power in the world - is to invest for the first time in renewable energy with the purchase of a stake in two North Dakota wind farms.

EPA delivers strong message on climate change

The Environmental Protection Agency report says climate change is unequivocally causing hurricanes and heat waves.

Whale poo saves world from global warming

Save the whale, and it'll save you too, say Australian scientists, by recycling iron in the ocean through its poo.

Ocean acidification intensifying, says committee

The oceans are acidifying more quickly than at any time in hundreds of thousands of years, the National Research Council has reported to Congress.

Half of Earth's trapped heat can't be found

Half the heat believed to have built up on Earth in recent years can't be accounted for.

Wind Turbines: “It’s always something"

It seems that wind turbines change how heat dissipates in the areas downwind of them, because they slow the wind as it spins their propellers. Once one begins to think about it, this domino effect makes perfect sense.

GE's LED lightbulb lasts 17 years

Eco-friendly lighting might actually start being some use, with the launch of an LED lightbulb from GE that's claimed to produce nearly as much light as a 40-watt incandescent bulb, while lasting more than 25 times as long.

MIT uses viruses to split water for fuel

An MIT team has managed what amounts to artificial photosynthesis, using a modified virus and sunlight to split water into hydrogen and oxygen atoms.

Self-powered robotic sub developed

NASA, the US Navy and Scripps Institution of Oceanography at UC San Diego have successfully tested the first robotic underwater vehicle to be powered entirely by natural ocean thermal energy.

US wind power grid could provide reliable supply

Researchers have proposed a wind power grid linking offshore turbines along the east coast of the US as a way of smoothing out fluctuations in supply.

Official 'Climategate' report clears scientists of wrongdoing

The UK government's first official report into the 'Climategate' scandal has concluded that the University of East Anglia did not tamper with climate data.

Greenpeace tells Dell: clean up your act

Greenpeace protested outside the offices of Dell yesterday in Bangalore, Amsterdam and Copenhagen, as Dell execs consider ways of cleaning up the company's products.

Atlantic currents not slowing after all

New NASA measurements show that the Gulf Stream has not slowed down over the past 15 years. In fact, it may even have sped up slightly.

Monsoon spreads pollution right through the stratosphere

The Asian monsoon is sending pollutants up to stratospheric heights and spreading them right across the globe, says the National Center for Atmospheric Research (NCAR).

Scientists work to make car fuel from thin air

UK researchers reckon they are on track to take carbon dioxide from the air and turn it into car fuel.

MIT creates portable, low-powered desalinator

MIT and Korean researchers have developed a portable desalinator that could supply a small village using solar power.

Bill Gates building nuclear reactor (but it's only a little one)

Bill Gates (yes, really) and Toshiba are reported to be building a next-generation nuclear reactor.

'Smart roof' could slash energy costs

A white roof reflects heat and cools a building; a dark one absorbs it. But until now there hasn't been a material that could do both.

Going green: it's all about showing off, says prof

Excuse me while I pop my organic vegetables in the oven and wipe my hands on recycled kitchen roll. I'll only be a moment. Now, I'm ready to tell you all about the reasons why wonderful people like me just love to buy eco-friendly products.