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Phoenix666 writes:

Phys.org:

As climate change melts Greenland's glaciers and deposits more river sediment on its shores, an international group of researchers has identified one unforeseen economic opportunity for the Arctic nation: exporting excess sand and gravel abroad, where raw materials for infrastructure are in high demand.
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"The melting Greenland Ice Sheet delivers an enormous amount of sediments to the coast," said Mette Bendixen, a researcher at CU Boulder's Institute of Arctic and Alpine Research (INSTAAR) and a Carlsberg Foundation research fellow. "Eight percent of the annual sediment contribution delivered to the global oceans comes from the Greenland Ice Sheet and with continued global warming, this number is expected to increase."
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Simultaneously, global sand reserves have been rapidly depleted in recent decades while demand has only increased thanks to global urbanization and infrastructure investments. The study estimates that the amount of sand delivered to Greenland's coast each year has a market value equivalent to more than half of the Greenland gross domestic product ($2.22 billion in 2015) and this value is expected to double within the next 25 years if the global sand prices continue to increase.

Greenland's melting ice sheet might stall out the Gulf Stream, but the sand and sediment it's depositing at the coast could become a valuable export.

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