Nature mag debunks CO2 hysteria

Nature Climate tweeted:

RT @climatereality: Last time CO2 level hit #400ppm, the #Arctic was 8°C warmer ow.ly/lcXLw

— NatureClimate (@NatureClimate) May 21, 2013

So if it was so much warmer at 400 ppm CO2 then, why is it so much cooler at 400 ppm CO2 now?

One thought on “Nature mag debunks CO2 hysteria”

Because CO2 is a small player in temperatures and climate and because warming outgases CO2 from water? Just guessing.

One thought on “Nature mag debunks CO2 hysteria”