Carbon dioxide emissions from burning natural gas for electricity in the U.S. are set to surpass those from burning coal.
Climate change is turning up the heat on animals. This map shows the pathways they'll likely follow to survive.
Warming ocean waters and changes in sea ice coverage could cause dramatic declines in Antarctic krill.
A progressive culture and Silicon Valley-style innovation turned California into a climate leader.
National Parks' physical boundaries might not change, but their climate boundaries will as the world warms.
Due to rising temperatures, Northern Hemisphere cities could be too hot to host the Olympic Games.
Tens of millions more Western residents are expected to suffer from sickening "smoke waves" as temperatures rise.
The increase in hurricane intensity expected as Earth warms may have been masked by the cooling effect of aerosols to date.
The 1991 eruption of Mount Pinatubo in the Philippines affected global temperatures and sea levels.
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.
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.
For the next three months, above-average temperatures are favored across the entire U.S., including Alaska.
The EPA has declared jet engine exhaust a contributor to climate change that endangers public health.
It takes less energy to keep the world’s businesses and industry humming today than in the past.
Scientists are split over whether local safeguards can save some of the world’s most spectacular coral reefs.
A study finds that the U.S. and four other developed countries are spending billions to keep forests intact.