"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."

"This Arctic winter has startled even the most even-keeled scientists, with records set for low sea ice extent, high temperatures and other indicators of a climate gone awry."

"The British Antarctic Survey is to pull all staff out of its space-age Halley base in March for safety reasons."

"A vast iceberg, expected to be one of the biggest ever recorded with an area almost the size of the U.S. state of Delaware or the Caribbean island state of Trinidad and Tobago, is poised to break off Antarctica."

"Grazing may slow Arctic climate change, a new study finds -- but we’re gonna need more reindeer."

"The livelihood of the Nenets people who live along the northern stretches of the Yenisei, Russia’s longest river, depends on two pursuits: fishing and reindeer herding. But locals have said both of those activities are under threat from an oil terminal due to be built on the Tanalau cape, near where the river empties into the Arctic Ocean."

"It's happening again: The temperature at the North Pole is projected to spike to around the melting point, or 32 degrees Fahrenheit, on Wednesday into Thursday, despite the complete lack of sunshine that far north in December."

"President Obama announced on Tuesday what he called a permanent ban on offshore oil and gas drilling along wide areas of the Arctic and the Atlantic Seaboard as he tried to nail down an environmental legacy that cannot quickly be reversed by Donald J. Trump."

"KAKTOVIK, Alaska — Come fall, polar bears are everywhere around this Arctic village, dozing on sand spits, roughhousing in the shallows, padding down the beach with cubs in tow and attracting hundreds of tourists who travel long distances to see them."

"Both the Arctic and Antarctic experienced record lows in sea ice extent in November, with scientists astonished to see Arctic ice actually retreating at a time when the region enters the cold darkness of winter."