Summer 2023 warmest in 2,000 years

The northern hemisphere heatwave in 2023, amplified by the El Niño climate pattern, was the warmest in some 2,000 years, new research published in Nature suggests


LAND TEMPERATURE ANOMALY (°C) 
2
1
0
-1
-2
-3
-4
	0 200 400 600 800 1000 1200 1400 1600 1800 2000 
			Years CE*

2023: 2.07°C

Observed northern hemisphere summer temperatures and 1850-1900 average

Reconstructed temperature based on analysis of ancient tree rings

95% uncertainty range


*Common Era


Sources: Reuters, BBC, Nature 
Picture: Unsplash  
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