Hydrofluorocarbon used in air conditioners could add 0.5°C to global temperatures by the end of the century.
A slew of documents filed on Wednesday pushed the new UN climate treaty closer to taking effect.
Climate Central’s groundbreaking series Pulp Fiction won the Online News Association award for explanatory journalism.
At least 20 countries have indicated they will join the Paris climate agreement at a United Nations event on Sept. 21.
Some scientists are increasingly looking at global warming as a waste disposal problem.
The federal government on Friday unveiled its vision for wind farms off of nearly every U.S. coastline.
With key documents filed Saturday by China and U.S., the UN climate pact may take effect this year.
The Obama administration is expected to finalize a rule this fall aiming to fast-track renewables on federal land.
Carbon dioxide emissions from burning natural gas for electricity in the U.S. are set to surpass those from burning coal.
A progressive culture and Silicon Valley-style innovation turned California into a climate leader.
New research suggests American biofuels are doing more harm to the climate than good.
In a welcome break, a new annual heat record is unlikely in 2017 since the effect of El Niño is fading.
Wood energy can help industries manage waste, but it's not as climate friendly as Congress claims.
California's cap-and-trade program is in legal doubt, but state officials are publicly ignoring the problem.
The Earth is so hot this year that a limit for global warming agreed by world leaders is in danger of being breached.
Europeans are working to close a loophole in their climate rules that promotes harmful wood energy.
Scientists say it is increasingly urgent to develop negative emissions technology to meet climate goals.
The number of cities reporting on their efforts to tackle global warming has skyrocketed.
Scientists are developing an artificial leaf that can turn carbon dioxide emissions into fuel.
Economists say an achievement by the world’s biggest polluter may be a significant milestone, rather than a blip.