Source: THE GUARDIAN, 12/22/21

It happened overnight. Larry Ryerson, 78, woke up on a Sunday morning in late June in Medford, southern Oregon, to find thousands of seedlings on his 10-acre Christmas tree farm dying. Their bright green coloring had drained away after a day of triple digit temperatures. And over the next two days, as temperatures climbed as high as 115F, Ryerson watched the young trees, many just over a foot tall, turn brown and die.

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