For two hours on Monday, the justices probed the extent of the Environmental Protection Agency’s authority to regulate greenhouse gases in a case …

A new report by the Intergovernmental Panel on Climate Change says that up to 3.6 billion people are highly vulnerable to climate change, …

So far the global response to climate change is mainly focused on “mitigation”—steps to reduce greenhouse gas emissions. Of total global climate- …

Global warming is already costing Canada billions, from wildfires in the West to reduced seafood harvests in the East, says a new report from the …

(CNN) Climate change is on course to transform life on Earth as we know it, and unless global warming is dramatically slowed, billions of people …

The world’s scientists declare climate change is now a threat to human wellbeing, warning we are about to miss the window to “secure a liveable …

The IPCC, a global body of scientists that makes periodic reviews of climate science, on Monday released the second part of its sixth assessment …

Utah and the rest of the West are reeling through the effects of a warming climate firsthand, enduring cataclysmic and prolonged drought, …

Global warming has already raised global sea levels by 9 inches. It has left a distinct mark on extreme weather too, worsening heat waves, storm …

Severe weather events fueled by global warming resulting from the burning of fossil fuels and other human activities have led to “widespread, …