Denmark just got 140% of its electricity from wind. But what does that mean?
July 15, 2015, 12:37 p.m. by Sami Grover
Unusually high winds and low demand lead to a significant excess in wind power. What happened to all that electricity?
Solar Impulse soars to new world records
July 6, 2015, 9:49 a.m. by Elizabeth Goldbaum, LiveScience
The solar-powered plane is halfway through its planned trip around the world.
Scientists create engine that is powered entirely by evaporation
June 29, 2015, 3:37 a.m. by Bryan Nelson
Technology could be used to generate electricity or even propel tiny toy cars.
Research push could make clean energy costs plummet
June 16, 2015, 9:08 a.m. by Sami Grover
International program gets serious about funding projects to keep renewable energy prices falling.
Akon creates institution to educate solar engineers in Africa
June 3, 2015, 2:02 p.m. by Michael d'Estries
Hip-hop star hopes to bring solar energy to millions in Africa through his new Solar Academy in Mali.
Breathe easy: Clean-burning wood stoves are on the way
June 1, 2015, 4:08 p.m. by Lloyd Alter
That lovely smell of burning wood hides a lot of dangerous particulate emissions. New EPA regulations will clear the air.
With Solar Energy Research Center, we're one step closer to making fuel from sunlight and CO2
May 27, 2015, 4:45 p.m. by Lloyd Alter
Steven Chu makes the understatement of the week when he calls it 'a very big deal.'
Life Cycle Analysis doesn't budge outcome of the great dishwasher debate
May 18, 2015, 3:38 p.m. by Lloyd Alter
Despite the energy and water it takes to build the dishwasher, it still beats washing by hand.
Tesla's new Powerwall battery could be world-changing
May 1, 2015, 11:31 a.m. by Lloyd Alter
Build enough of these and you could run the world on renewable resources.
Goodbye, kerosene: How solar could transform Africa
May 1, 2015, 9:21 a.m. by Sami Grover
Kerosene lanterns are dangerous, polluting and unhealthy. That's why one charity aims to eliminate them by the end of the decade.