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?
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.
How to fight climate change: Invest in inner cities
May 20, 2015, 8:19 a.m. by Sami Grover
New online investing platform will fund energy-efficiency improvements for churches and nonprofits in poor neighborhoods.
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.
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.