Ice melting in the source region of China's Yellow River outside of Maduo on the Qinghai-Tibet plateau, known as the 'Roof of the World', on April 19, 2010. Photo: Frederic J. Brown/AFP
Thawing Arctic permafrost laden with billions of tonnes of greenhouse gases not only threatens the region's critical infrastructure but life across the planet, according to a comprehensive scientific review.
Nearly 70% of the roads, pipelines, cities and industry – mostly in Russia – built on the region's softening ground are highly vulnerable to acute damage by mid-century, according to one of half-a-dozen studies on permafrost published recently by Nature.
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