"When it comes to existing technology we use in our daily lives, an LED's luminescent efficiency is high, but it is about only 30 percent. The firefly's 41 percent is still higher than that of such human technology"

Telegraph Earth is your source for environmental and green news and environmental and green issues, with information on climate change, global warming, pollution, green living and recycling, and all other environment issues.

9:35am Est. The futures are up on good earnings from Best Buy and Goldman Sachs

3:50pm Est. The names on the Trends lists on the short side are doing well in this weak market.

I’m not quite sure exactly where this is going, one thing is for sure Advanced Micro Devices and ATI Technologies have some serious business and customer problems.

For now, oil prices are near record levels. But anyone who believes high prices will last forever ignores these trends, which will, sooner or later, make a slump inevitable.

The leaders of Bolivia, Brazil and Chile agree to build a road from coast to coast across South America.

Have you ever noticed that lots of smart people have contempt for money? Not all of them, of course, but enough for the destitute genius to become...

The Israeli government has decided practically to adopt an electrical car project called the "Better Place Project " by Mr. Shai Agassi & Mr. Idan Offer. The project offers almost an Utopian vision of a world in which customers will be able to purchase el