This is a very nice video showing the steep rise of atmospheric CO2 concentration over the last 30 years – and how it looks compared with CO2 levels over the last 800,000 years. While the concentration never went above 300 parts per million before industrialisation started, we are now at 391 ppm. And rising by another 2-3 ppm per year.
Video: Time history of atmospheric CO2
Posted by Wolfgang Obergassel on November 3, 2011