Incredibly mild air is surging into the Arctic again, cranking up the heat as melt season gets underway.
Environmentalists and some states may spend years battling President Trump over his climate rule rollbacks.
New research highlights an emerging migration crisis that’s worsening with global warming.
Earth is a planet in upheaval, with high temperatures pushing it into “truly uncharted territory."
Deadly floods are a wake-up call for cities across Latin America to prepare for extreme weather.
The Shum Show looks at Peru's heavy downpours and record low sea ice.
A dearth of precipitation and windy, dry weather have fueled a record winter wildfire season in Oklahoma.
Over Trump's first 100 days, we're going to show what science tells us about our warming world.
As the climate changes, see the trend in warmer-than-normal spring days in these cities.
Scientists are racing to find crops capable of tolerating increasingly high temperatures and water shortages.
Here's what warming springs mean for plants and agriculture.
Trump's budget would hamper efforts abroad to slow global warming, especially by poorer countries.
February was the second hottest on record, despite the lack of an El Niño, a clear mark of global warming.
Climate change is causing leaves to emerge earlier in the year. See how far ahead they are this year.
Arctic sea ice may vanish in summers even if the world reaches goals set by Paris climate agreement.
Warm waters are stressing the world's largest coral reef for the second year in a row.
Climate change made the February warmth that baked the U.S. at least three times more likely.
President Trump may seek to eliminate NOAA's Sea Grant program, "an outsized leader in coastal adaptation."
The Maldives government says super resorts will create the money needed to adapt to climate change.
This week marks the start of meteorological spring.