EnviroMission project will be twice the size of the Empire State Building

Germany looks to make dirty tech turn green

Deal with SolarCity is search giant's largest clean tech investment

As the century-old technology runs its course, LED bulbs step up

Money pours into to windy patch of rural Oregon

Home improvement giant buys stake in rooftop solar start-up

Landmark ICPCC report says supply of renewable power can meet global demand

Will others follow their lead?

Warships to be recycled for valuable parts.

Climate change takes its toll on coffee yields in Latin America.