America under President Trump might not own Greenland (yet), but decisions made by his administration will help determine the ice-covered island’s long-term fate and ours.
US emissions of greenhouse gases, as well as emissions from other countries, have tipped the balance to make Greenland a major contributor to global sea-level rise.
It’s no secret that the Greenland ice sheet is in trouble. This melt season, which is wrapping up, has brought the most significant ice loss, and related sea-level increase, since the record melt year of 2012.
Much of the ice melted in a one-week period when the island was in the throes of a heat wave that had moved in from Europe.
According to Ted Scambos, a senior research scientist at the University of Colorado, this year Greenland…
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