Climbing CO2 Levels - Permanently Above 400ppm

Atmospheric carbon dioxide levels are monitored at stations around the world, providing records of the mark humans are leaving on the planet. Keeling’s father, Charles Keeling, began the recordings at Mauna Loa in 1958, revealing not only the annual wiggles created by the seasonal growth and death of vegetation, but the steady rise in CO2 from year to year. The resulting graph, dubbed the Keeling Curve in his honor, became an icon of climate science. Read the full article @ Climate Central