Zeke Hausfather

From Death Valley to the Middle East, the Indian subcontinent to sub-Saharan Africa, global warming has already made daily life unbearable for millions of people.

And if nothing is done to slow climate change, the record temperatures and deadly heatwaves it brings will only get worse, experts warn.

2020 has tied 2016 as the hottest year on record, the European Union's climate monitoring service said Friday, keeping Earth on a global warming fast track that could devastate large swathes of humanity.