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New Research Answers Lingering Questions About Siberia’s Exploding Tundra

Looking for one more reason to worry about climate change? No? Well, here’s one anyway. Rising global temperatures are causing parts of the Siberian tundra to spontaneously explode. Scientists have been studying this bizarre phenomenon since 2014, when a mysterious 165-foot-deep (50-meter-deep) hole suddenly appeared on the Yamal Peninsula in northwest Siberia. Since then, they’ve identified more than a dozen similar craters on the ​​Yamal and Gyda peninsulas and linked their formation to clima

Orange rivers signal toxic shift in Arctic wilderness

In Alaska’s Brooks Range, rivers once clear enough to drink from now run orange and hazy with toxic metals. As warming thaws formerly frozen ground, it sets off a chemical chain reaction that is poisoning fish and wreaking havoc on ecosystems. Researcher testing murky waters in Alaska's Brooks Range. (Photo: Taylor Rhoades) As the planet warms, a layer of permafrost — permanently frozen Arctic soil that locked away minerals for millennia — is beginning to thaw. Water and oxygen creep into the