Greenhouse Gases
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.”
Harvard beats its own environmental goal
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.
Did your country help make air conditioners better for the environment?
Nearly 200 countries took a key step in the fight against global warming by phasing out a chemical used in air conditioners and refrigerators.
Secretary Kerry witnesses changing ice in Antarctica
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.
Cities as policy labs: L.A. cleans up its smog
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.
Countries approve first-ever limits on airline 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.
These companies turn greenhouse gases into cash
New methods of capturing carbon dioxide from industrial facilities and storing it underground can mitigate global warming.
These trucks will soon deliver cleaner air
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.
Scientists’ annual physical of the planet: Earth’s fever rises
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.