Global warming

"If you change the earth's climate enough, you might not be able to change it back," an author of the study warns.

Photographer Dan Kitwood spent time at the festival in Peru, where pilgrims are forced to give up a centuries-old tradition due to climate change.

They are some of the last unexplored parts on Earth; the largest is more than 200 miles long.

Despite immediate backlash to his tweet, Kentucky congressman Thomas Massie refused to delete the post.

Celebrate Earth Day 2018 with these NASA pictures of Earth from space.

Rising water temperatures are killing corals—but researchers think we can stop the die-off.

Ocean currents are slowing down and the consequences may be grim.

If the shipping industry were a country, it would have the sixth highest greenhouse gas emissions in the world.

More snowfall may sound like a positive sign, but it's not.

2017 was the costliest year ever for extreme weather and climate events, with total natural disaster-related losses estimated to be around $320 billion.

The fires are so big that they can be seen from space.

The Svalbard Global Seed Vault was designed to protect the world's crops from local and global disasters.

The effects of climate change on forests depend on the type of tree.

The Arctic is experiencing one of its warmest Februarys on record.

Millions of penguins could starve to death if they don't find a new habitat.

In an interview, President Donald Trump questioned climate change and said it's "getting too cold all over the place."

"This is sort of a dark archaeology, where we benefit from climate change that's making this ice melt."

New York, San Francisco and Oakland are suing oil companies for causing 'catastrophic harm.'

The alarming problem jeopardizes the world's largest population.

"There's just no time for these systems to recover."

The future is uncertain for many favorites.

Sea levels rose six times faster than the global average between 2011 and 2015 in the "hot spot."

More than 25 percent of Earth will experience serious drought and desertification by the year 2050 if global warming is not curbed, according to a new study by the journal Nature Climate Change.

Around seven in 10 Americans think global warming is happening.

President Donald Trump has said the U.S. could do with a bit of global warming as the country braces for record low temperatures.

The wall is the climate change-denying president's effort to combat rising sea level at one of his golf courses.

Melting of the Aurora Basin in East Antarctica could cause 10 to 15 feet of sea level rise on its own.

Climate models are tricky. This study shows the most accurate ones predict the worst future warming.

Injecting aerosols into the atmosphere in the Northern Hemisphere would be disastrous for parts of Africa, scientists say.

Syria announced its decision at the U.N. global climate talks in Bonn, Germany. This comes a month after Nicaragua changed course and came on board.