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.
Nearly 200 countries took a key step in the fight against global warming by phasing out a chemical used in air conditioners and refrigerators.
Despite the Paris agreement to cut emissions causing the planet to warm, "we haven't won the battle yet," Kerry told young climate scientists in Antarctica.
With the largest fleet of natural gas buses in the U.S. — about 2,200 — Los Angeles has become a leader in cutting carbon emissions.
If the airline industry were a country, it would be the world's seventh-largest carbon polluter. New rules set limits on increases in aircraft emissions.
New methods of capturing carbon dioxide from industrial facilities and storing it underground can mitigate global warming.
Trucks move 70 percent of U.S. freight, but they emit as much CO2 as 130 coal plants. That’s why President Obama's new fuel-economy standards are crucial.
Earth’s fever got worse last year, breaking dozens of climate records, scientists said in a massive report that's called the annual physical for the planet.