As the United States, Russia and China race to turn a melting Arctic into the world’s next major economic gateway, their strategic ambitions face a hidden threat: thawing permafrost. Since returning to office last year, US President Donald Trump has pushed to expand America’s Arctic footprint. ...
Source: [SCMP](https://www.scmp.com/news/china/science/article/3364286/why-siberias-warming-landscape-could-shatter-trumps-arctic-ambitions?utm_source=rss_feed)