A year has passed since nearly 200 countries came together to adopt the historic Paris agreement on climate. Check out what has happened since then.
New solar technology could help provide cheap power to many of the 600 million people in Africa who currently lack access to reliable electricity.
Homeowners and businesses that rely on solar panels and wind turbines have cheaper electric bills, thanks to a system called “net metering.”
Harvard has met a 2008 target to reduce campus greenhouse gas emissions by 30 percent in 2016 and is now looking to set new climate goals.
By 2017, Google expects to power its massive data centers and offices with 100 percent renewable energy, everywhere in the world.
Different technologies capture the sun's light or heat to generate power. It may be done on a large or small scale.
Every community needs jobs and electricity. One company in Port Elizabeth, South Africa, supplies both.
Remote Ta'ū Island in American Samoa switched from burning 300 gallons of diesel fuel a day to nearly 100 percent solar power. How did they do it?
Airports around the world are looking sunward to power their facilities — and they find solar energy makes good business sense.