Bill will cleaner electricity bring higher prices?

Steven Cohen on the shift to a clean economy

Agreements to bail out banks happen in days - but we still don't have a deal to bail out the planet

The top shifts in cooking and eating over the past year

'Data furnaces' tap heat-generating computer servers to warm houses

Corporate behemoth to build America's largest solar panel plant in Colorado

Kite-like flying wing prototype hits the sky

Economist Jeremy Rifkin makes the case for a decentralized clean energy economy