Arrhenius – Earth To Boil

23 Oct 1902, Page 1 – The News-Herald at

And 115 years later, Stephen Hawking was parroting the same nonsense.

Stephen Hawking: Earth Could Turn Into Hothouse Planet Like Venus | Live Science

Arrhenius made a fundamental error in that he didn’t recognize  H2O is a greenhouse gas.  Knut Angstrom pointed this out in 1901, and showed experimentally that adding CO2 has very little impact on climate.


Rasool and Schneider confirmed this in 1971.


I generated this graph using the RRTM-LW model, which shows how little impact CO2 and CH4 have on earth’s radiative balance.  Even a huge increase in CO2 or CH4  has minimal impact on climate.  H2O is far and away the dominant greenhouse gas on earth.

About Tony Heller

Just having fun
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