Iran arrests scientists trying to solve water crisis
Water shortages caused by drought in Iran are further compounded by failed government policies and corruption. As the crisis worsens, Iran's security forces are arresting scientists trying to help.
U.S. is on the road to solving an urban environmental problem
Los Angeles and other U.S. cities are covering their asphalt roads with a coating that prevents the blacktop from absorbing and radiating the sun's heat.
Energy in one Texas city: Good planning makes good business
Texas may be known for its oil and gas, but one city there plans to get nearly all of its electricity from renewables, such as wind and solar.
Look what has happened since the 2015 climate pact was adopted...
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.
Solar power booms in Africa as new technology rolls out
New solar technology could help provide cheap power to many of the 600 million people in Africa who currently lack access to reliable electricity.
Want cheap electricity? Try net metering.
Homeowners and businesses that rely on solar panels and wind turbines have cheaper electric bills, thanks to a system called “net metering.”
Global fund stakes $1 billion on clean energy
Bill Gates and 20 of the world's top entrepreneurs have a plan for investing in great ideas. They aim to revolutionize the clean energy sector.
This tech tool helps communities prep for climate change
Cities around the world are getting granular with climate data, using a new tool called PREP to prepare for the local effects of climate change.
Google set to go 100 percent renewable
By 2017, Google expects to power its massive data centers and offices with 100 percent renewable energy, everywhere in the world.