Denmark just got 140% of its electricity from wind. But what does that mean?

Solar Impulse soars to new world records

Scientists create engine that is powered entirely by evaporation

Research push could make clean energy costs plummet

Akon creates institution to educate solar engineers in Africa

Breathe easy: Clean-burning wood stoves are on the way

With Solar Energy Research Center, we're one step closer to making fuel from sunlight and CO2

Life Cycle Analysis doesn't budge outcome of the great dishwasher debate

Why dishwashers are greener than washing by hand

Could the carbon bubble ruin your retirement?

Tesla's new Powerwall battery could be world-changing

Goodbye, kerosene: How solar could transform Africa