http://www.sciencemag.org/news/2021/01/global-temperatures-2020-tied-record-highs

Wildfires raged in Siberia’s vast taiga, one of many effects of 2020’s record temperatures.

Housebound by a pandemic, humanity slowed its emissions of greenhouse gases in 2020. But Earth paid little heed: Temperatures last year tied the modern record, climate scientists reported today. Overall, the planet was about 1.25°C warmer than in preindustrial times, according to jointly reported assessments from NASA, the U.K. Met Office, and other institutions.