CO2 concentration has crossed 410 ppm, just 2 years after it hit 400 ppm.Carbon dioxide hasn’t reached this height in millions of years.

CO2 concentration has crossed 410 ppm, just 2 years after it hit 400 ppm.Carbon dioxide hasn’t reached this height in millions of years. (scientificamerican.com) The sad thing is we wont do anything unless we are on the verge of destruction. via Pocket http://ift.tt/2oyA1Rr