May 19, 2021 03:21 PM EDT While Antony Blinken, U.S. Secretary of State emphasizes climate change in the Arctic at conferences with other national officials this week in Iceland, an even larger threat emerges on the other side of the planet. (Photo : Getty Images) Global Temperatures Rise New research reveals it is Antarctica that may compel a reckoning between the country's choices today about greenhouse gas emissions and the potential survival of their coastal cities and coastlines, from New York to Shanghai. That reckoning may arrive much earlier than people notice. The amount of ice in ...