This much of the Catastrophic Anthropogenic Global Warming (CAGW) crusade is true: The level of carbon dioxide (CO2) in the atmosphere increased from an estimated 280 parts per million (ppm) before the Industrial Revolution, to a recorded 316 ppm in 1958, to 415 ppm in 2020. The average temperature of the earth (as best as it can be measured) has increased since the end of the Little Ice Age by more than a degree Celsius (oC). According to the Inter-Governmental Panel on Climate Change (IPCC), more than half the warming since the Industrial Revolution has been caused by the greenhouse…
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