News Climate

Here’s how much climate change increases the odds of brutally hot summers

Simulations show warming is making the deadly heat gripping the Northern Hemisphere more likely

A photo of a man facing away from the camera and pouring water out of a 2-liter jug onto his head.

Millions of people across the Northern Hemisphere are sweltering in extreme heat waves, including this man trying to stay cool in Phoenix earlier this month.

Brandon Bell/Getty Images

By Nikk Ogasa

- More than 2 years ago

The recent, record-breaking heat waves that have scorched the southwestern United States and northern Mexico, China and southern Europe were made dramatically more likely due to human-caused climate change, researchers report July 25 in a study from the World Weather Attribution network.