"We went to Antarctica to understand how changes to its vast ice sheet might affect the world. Flowing lines on these maps show how the ice is moving. ... The acceleration is making some scientists fear that Antarctica’s ice sheet may have entered the early stages of an unstoppable disintegration."

"U.S. Secretary of State Rex Tillerson signed an agreement recognizing the landmark Paris climate accord at a meeting of Arctic nations in Alaska on Thursday, but said President Donald Trump was not rushing to decide whether to leave or weaken U.S. commitments to the pact."

"The United States will participate in advancing climate change research in the Arctic, a State Department official said on Monday, ahead of a summit of Arctic nations later this week where Washington's commitment to tackling climate change will likely be questioned."

"A crack that could create an iceberg the size of Delaware - and destabilize one of the largest ice shelves in the Antarctic - has branched out and begun to widen more quickly, a scientist said on Wednesday."

"The northernmost village in Greenland sits just shy of 78 degrees north latitude — deep in the Arctic — yet during the summer, meltwater is everywhere. It flows in small rivulets and larger streams, past multicolored houses built against a sloping hill and down to the Inglefield Bredning, as it is called in Danish — a broad body of water at the confluence of several fjords."

"Study shows 52,000 square miles in rapid decline, with sediment and carbon threatening the surrounding environment and potentially accelerating global warming."

"Sea ice around Antarctica has shrunk to the smallest annual extent on record after years of resisting a trend of man-made global warming, preliminary U.S. satellite data showed on Tuesday."

"In 2015, in a moment of science communication genius, NASA created a mission called “OMG.” The acronym basically ensured that a new scientific mission — measuring how quickly the Oceans are Melting Greenland — would get maximum press attention."

"Thousands of years ago, every lake was like Great Bear Lake. So pure you could lower a cup into the water and drink it. So beautiful that people composed love songs to it. So mysterious that many believed it was alive. Today, of the 10 largest lakes in the world, it is the last one that remains essentially primeval."