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Decline in CO2 cooled Earth’s climate over 30 million years ago
earth's climate CO2 greenhouse
2021/8/5
New research demonstrates that a decline in the concentration of atmospheric CO2 played a major role in driving Earth's climate from a warm greenhouse into a cold icehouse world around 34 million year...
Six million years ago, atmospheric shifts led to increased diversity of grassland mammals（图）
Six million years ago atmospheric shifts grassland mammals
2019/10/30
Six million years ago, grass-eating mammals became more diverse in South America. Shifts in tropical atmospheric circulation known as Hadley circulation led to changes in climate and vegetation, espec...
Human-driven carbon release rate unprecedented in past 66 million years
Human-driven carbon release rate past 66 million years
2016/3/28
The earliest measurements of Earth's climate using thermometers and other tools start in the 1850s.To look further back in time, scientists investigate air bubbles trapped in ice cores, expanding the ...