Category Archives: X-Plane

Global Warming

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Since 1958, scientist Charles Keeling has been measuring atmospheric CO2 levels from an observatory on Mauna Loa in Hawaii. Those measurements are still going on today. Here they are: (click for full-size) The tiny oscillations of the lines are due to plants eating CO2 in the summer, but dying and spitting it right back out again in the winter. Next, scientists… Read more »