The timeline, published Thursday in the journal Science, is the most rigorous reconstruction of Earth’s past temperatures ever produced, the authors say...
Created by combining more than 150,000 pieces of fossil evidence with state-of-the-art climate models, it shows the intimate link between carbon dioxide and global temperatures and reveals that the world was in a much warmer state for most of the history of complex animal life...
Global mean surface temperature
485 million
years ago
400
300
200
100
50
83.3ºF
28.5ºC
64.6
18.1
The largest mass extinction happened 250 million years ago, when gases from volcanic eruptions – including CO₂ – raised Earth’s temperature by more than 18ºF (10ºC) in the span of about 50,000 years...
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