H/T Harold Hensell
Carbon Dioxide 05 16 2018
This graph of carbon di-oxide levels projected back 10,000 years says volumes. It has reached a new high today.
1, Total Column
Dr. James Hansen established 350 ppm as the energy balance for carbon dioxide and then revised it closer to 300 ppm.
Above 300 ppm and carbon dioxide contributes to warming the atmosphere. As posted today from the Keeling Curve, C0 2 hit 412.60 ppm. C02 varies by area and level.