2015 smashed heat records

Warming and El Niño pushed global temperatures up

El Niño warming map

HEATING UP  The ongoing strong El Niño and global warming fueled by fossil fuel emissions made 2015 the hottest year on record, scientists report. Blue areas were cooler than their long-term averages; red areas were warmer.


This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Climate

From the Nature Index

Paid Content