We're likely living in a post-400 ppm world. Here's what it means to scientists that study the climate.
Island nations and others are desperate to keep global warming to less than 1.5°C, or 2.7°F.
States at Risk: America’s Preparedness Report Card summarizes the changing nature of key threats and corresponding levels of preparedness in…
Warming temperatures are about to push U.S. cities into a new regime where danger days are more common.
El Niño hit a weekly temperature record and is likely to keep upping the heat globally.
U.S. energy demand strains global water supplies in a warming world.
Vulnerable countries want financial help from rich ones to cope with climate change disasters.
Hawaii's active hurricane streak has a climate change tie and could be a sign of things to come.
Eight western states have recorded their warmest year-to-date through October, and the Lower 48 could see a Top 10.
Warming has made the cold of 2013-2014 less likely, but that winter's storms couldn't be linked to climate change.
The role of climate change in extreme weather events is examined in an annual compilation of attribution studies.
Climate change is worsening wildfire risks in the West, but pinpointing its effects remains difficult.
The signal attributing extreme heat events to climate change is "very strong," according to new findings.
New York State is anticipating up to 6 feet of sea level rise on its coastlines by 2100.
The region's disasters claimed half a million lives over the decade, and $523 billion in economic damage.
World governments are cooperating as they work to slip a leash around global warming, but more is needed.
Global warming means more intense heat and humidity for the Middle East by the end of the century.
Hurricane Patricia is a record-breaking Category 5 storm that will lash Mexico with deadly winds, storm surge and rain.
We get a sneak-peek at this winter, but we’ve got record heat in the Southwest and in the oceans.
Happy 40th anniversary to one of the world's first major weather satellites.