The polar jet stream, which marks the boundary between cold polar air and warmer mid-latitude air, can dip south from its usual perch circling the Arctic and bring freezing cold temperatures. The pattern is complicated by the overall warming of the Arctic, which is occurring at a faster rate than for other areas of the planet.
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Things That Are Not Climate Change
The drought across Europe is drying up rivers, killing fish and shriveling crops
Once, a river ran through it. Now, white dust and thousands of dead fish cover the wide trench that winds
