Thin Ice

How CO2 warms the climate - Ray Pierrehumbert

Ray Pierrehumbert explains in terms of the physics of what happens high up in the atmosphere, how rising levels of greenhouse gases such as carbon dioxide result in warming of the Earth's surface.


Stephen Knight-Lenihan - 03 May 13
Excellent explanation. Gives a much clearer description than is usually provided. Just for clarity, how much carbon dioxide (or carbon dioxide equivalent) is needed to push the radiating level up 300 metres? Or put another way, how much higher is the limit now than it was prior to the industrial revolution?

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