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 contentious Keystone XL pipeline is now one step closer to being built, but its saga is far from over.
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.
Cities from Sydney to Oslo are setting more ambitious targets to cut climate change than their nations.
Trump's budget would hamper efforts abroad to slow global warming, especially by poorer countries.
The White House’s proposed budget forcefully kicks many federal climate-related energy programs to the curb.
Europe's coasts will see higher and more frequent extreme coastal floods in the future due to climate change.
Around the world, cities are increasingly at the forefront of action to curb climate change.
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.
The Energy Star program is as much a climate program as it is an energy savings program.
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."
February marked another month with record low Arctic sea ice, driven by extremely mild weather.
Congress is considering legislation that could weaken the Endangered Species Act.
The Maldives government says super resorts will create the money needed to adapt to climate change.
A new study reveals the negative impact of human activity and acidification on the ocean.