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.
Big utilities are ready to go small
June 18, 2015, 3:53 p.m. by Terry Tamminen
As climate change and politics make large-scale energy difficult, energy providers are thinking local.
James Cameron creates giant solar sunflowers for Malibu school
May 19, 2015, 4:22 p.m. by Michael d'Estries
Director says the design is a 'beautiful way to express the spirit of what solar energy is all about.'
Solar desalination makes freshwater from salt water
May 6, 2015, 10:19 a.m. by Sami Grover
An award-winning MIT team has created a portable, solar-powered desalination system that could provide freshwater in remote locations.
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.