2016 was the hottest year yet, scientists declare

Chunks of Arctic sea ice, melt ponds and open water are all seen in this image captured by NASA’s Digital Mapping System instrument during an Operation IceBridge flight over the Chukchi Sea in July 2016. Last year was particularly bad for Arctic sea ice. NASA/Goddard/Operation IceBridge

Last year, global warming reached record high temperatures — and if that news feels like déjà vu, you’re not going crazy.

The planet has now had three consecutive years of record-breaking heat.

The National Oceanic and Atmospheric Administration has just released its annual State of the Climate report, which says it’s the hottest it has been since scientists started tracking global temperatures in 1880.

A separate analysis, by NASA scientists, came to the same conclusion.