Global warming

Around a third of the food produced in the world is never eaten, and food systems account for 20-30 percent of greenhouse gas emissions.

"We don't test the hull of a ship by ramming progressively larger icebergs until we find one that will break it."

The world's hottest rain to a tornado fire. What's next—a merger of cyclones?

The heat could be so unbearable that humans would die within six hours.

As soon as 2031, five times as many people could die due to heat in the U.S. alone, researchers say.

The global temperature will keep on rising, likely caused by emissions of greenhouse gases, according to climate scientists.

More than 600 million people live in low-elevation coastal areas, less than 30 feet above sea level.

These early organisms had a huge impact on their environment.

Experts predict that there may be more than 140 million climate migrants moving within their countries by 2050.

Scientists simulated global warming inside bee nests to find out what happens if the Earth continues to warm at the predicted pace.

The machine may help mitigate some of the excess CO2 in the atmosphere.

"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.

Climate change is disproportionately affecting the Arctic.

Call it a nor'easter, a "bomb cyclone," or a superstorm—in an era of worsening extreme weather, fierce winter systems like this are arriving with startling frequency.

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.

The world's oceans have absorbed around one-third of human-emitted carbon dioxide.

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