At the very end of 1957, Charles David Keeling commenced his monitoring of the atmosphere’s CO2 content at a lab located high on the extinct Mauna Loa Volcano, on Hawaii’s Big Island (Harris, 2010). Not only were these measurements more accurate by far than any published previously, they were continuous – night and day, 24 hours a day, 7 days a week. After a few years, Keeling was able to determine the magnitude of the upward trend of CO2 and compare it with that expected if all the CO2 produced by fossil fuel burning were...

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