Greenland also serves as the engine and on/off switch for a key ocean current that influences Earth's climate in many ways, including hurricane and winter storm activity.

Greenland also serves as the engine and on/off switch for a key ocean current that influences Earth's climate in many ways, including hurricane and winter storm activity.

Greenland is where climate change, scarce resources, tense geopolitics and new trade patterns all intersect, said Ohio University security and environment professor Geoff Dabelko.

Greenland also serves as the engine and on/off switch for a key ocean current that influences Earth's climate in many ways, including hurricane and winter storm activity.

Greenland is where climate change, scarce resources, tense geopolitics and new trade patterns all intersect, said Ohio University security and environment professor Geoff Dabelko.

Greenland is where climate change, scarce resources, tense geopolitics and new trade patterns all intersect, said Ohio University security and environment professor Geoff Dabelko.

Greenland is where climate change, scarce resources, tense geopolitics and new trade patterns all intersect, said Ohio University security and environment professor Geoff Dabelko.

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 ...