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 climate change , but key questions remain. Now, a new study could offer some long-awaited answers.

The mystery of Siberia’s sudden holes

Research published Monday in the journal Science of the Total Environment builds on previous work that found that the region’s unique geology—coupled with ri

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