1776 JAMES WATT DEVELOPS A STEAM ENGINE THAT HELPS KICK OFF THE INDUSTRIAL REVOLUTION 1896 ARVID HÖGBOM AND SVANTE ARRHENIUS NOTE THAT INDUSTRIAL ACTIVITY IS ADDING COL TO THE ATMOSPHERE, AND CALCULATE HOW MUCH THE EARTH WILL HEAT UP IF THE CO2 CONCENTRATION DOUBLES. THEIR ANSWER CLOSELY MATCHES MODERN ESTIMATES. 2024 TODAY WE FIGURED OUT THE GREENHOUSE EFFECT CLOSER TO THE START OF THE INDUSTRIAL REVOLUTION THAN TO TODAY.
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