New research suggests American biofuels are doing more harm to the climate than good.
The signal of human-driven warming can be detected as far back as the 1830s, a new study finds.
The massive rains and flooding in Louisiana are the latest in a string of extreme U.S. storms this year.
In a welcome break, a new annual heat record is unlikely in 2017 since the effect of El Niño is fading.
Tens of millions more Western residents are expected to suffer from sickening "smoke waves" as temperatures rise.
The Alaskan village of Shishmaref is losing up to 10 feet of shoreline each year, so it's relocating.
Wood energy can help industries manage waste, but it's not as climate friendly as Congress claims.
Hot weather can trigger high levels of air pollution that can have health consequences for millions of Americans.
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.
As Zika spreads northward, scientists are beginning to understand how humans stoked the epidemic.
Scientists are developing an artificial leaf that can turn carbon dioxide emissions into fuel.
Numerous climate records were broken in 2015, including hottest year and lowest Arctic sea ice winter peak.
The Philippines calls on 47 companies to respond to allegations of human rights violations resulting from climate change.
This year's wildfire season in California shows signs of influence from climate change.
Scientists are calling for the Obama administration to ban coal development on federal public lands.
New research from Sicily shows one way that carbon dioxide pollution can affect the mating rituals of fish.
The risk of mosquito-borne diseases, like Zika, is becoming more prevalent as our mosquito season gets longer.
Weather-related disasters made worse by climate change could make world peace more elusive.