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I just came back from Yosemite National Park and saw the Visitor’s Center.
A prominent plaque declares that manmade global warming is a coming catastrophe that may not be averted if we don’t act now.
Not 50 feet away was a monitor showing North America covered by glaciers some 16,000 years ago, and showing them progressively recede into northern Canada over a 16,000 year span of continuous, natural global warming.
I kid you not.
As if nobody is supposed to look at that 16,000 years of evidence of natural global warming when they consider man’s impact, or lack thereof, on the planet’s climate.