WASHINGTON An iceberg floats in the Scoresby Sund, on Sept. 12, 2023, in Greenland. Remote, icy and mostly pristine, Greenland plays an outsized role in the daily weather experienced by billions of people and in the climate changes taking shape all over the planet. Greenland is where climate change, scarce resources , tense geopolitics and new trade patterns all intersect, said Ohio University security and environment professor Geoff Dabelko. The world's largest island is now "central to the