Earth Hasn’t Warmed This Fast in Tens of Millions of Years
Chemical analyses of ancient #sediments allowed scientists to put together one of the most comprehensive #climate #histories of the planet.
,,,They found that the planet has passed through four distinct climate phases: #warmhouse, #hothouse, #coolhouse and #icehouse states.
Transitions from one state to another have generally depended on changing
#GreenhouseGas levels.
#Sediments #coolhouse #icehouse #greenhousegas #earthscience #climatescience #climate #histories #warmhouse #hothouse