Global Permafrost Regions Depicted in High-Resolution Maps

Yale Environment 360: Swiss researchers have released a series of high-resolution maps depicting the global distribution of permafrostand highlighting those regions where thawing permafrost as a result of global warming could have the most profound effects. In a study published in The Cryosphere, glaciologist Stephan Gruber from the University of Zurich estimated that permafrost regions cover about 22 million square kilometers worldwide -- or about one-sixth of Earth’s exposed land surface -- including vast regions of......

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