A useful blog from someone who knows on CO2 in the atmosphere
Keeling curve vs prediction based on fossil fuel origin (from Scripps)
In 1957, Charles Keeling of Scripps Institution of Oceanography began regular measurements of carbon dioxide concentration at Mauna Loa, Hawaii. By 1960, he was already in a position to report a steady increase, together with seasonal variations. In the northern atmosphere, CO2 concentration falls during the spring and summer growing season, but recovers during autumn and winter as vegetable matter decays. This sawtooth pattern is superposed, however, on a steady overall increase.
The Keeling curve and beyond
Scripps Institution of Oceanography, from Birch Aquarium ((Invertzoo via Wikipedia)
Charles Keeling died in 2005, but the work is being continued by his son Ralph. When I visited Scripps in 1995, I saw Charles Keeling’s original curve, ink on graph paper, on the wall in the corridor outside his office. That curve has now been designated a National Historic Chemical Landmark…
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Peddling and Scaling God and Darwin 