About thirty years ago we first heard reports that the world was warming. The scientific papers noted that levels of atmospheric carbon dioxide were the highest recorded in the last 8 million years (or some large number, depending on the study). The language made it seem that CO2 caused the warming, but it seldom said so directly. At first.
We trusted the scientists and as more and more of these papers appeared we slowly came to accept that the planet was warming because of our CO2 emissions. Continue Reading →
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