Climate Alarmists Lose Again by Dennis Avery

Don’t look now, but another big chunk of the “evidence” for man-made global warming suddenly disappeared. Poof! Researchers just reported that the world’s most recent case of “abrupt climate change”—which occurred a mere 12,000 years ago—was probably due to a comet strike, not to “climate sensitivity.”

The Younger Dryas occurred as an Ice Age was ending. As the climate began to warm, a huge and sudden rush of fresh meltwater broke out from the Great Lakes and swept out to sea. The water surge was monumental enough that the meltwater lowered the salinity of the ocean, shut down the Atlantic conveyor currents, which disperse the planet’s heat, and threw the northern hemisphere back into another thousand years of Ice Age. It raised temperatures near Greenland by a startling 15 degrees C, even as it doubled annual rainfall.

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