"More than 100 intense wildfires have ravaged the Arctic since June, with scientists describing the blazes as 'unprecedented.'"

"The vast expanse of sea ice around Antarctica has suffered a “precipitous” fall since 2014, satellite data shows, and fell at a faster rate than seen in the Arctic."

"The Arctic spring thaw has begun with a bang, with extensive melting of the Greenland ice sheet and sea ice loss that is already several weeks ahead of normal, scientists said."

"The story of the seabirds’ deaths likely starts at the bottom of the food chain, where warming water and climate change are changing the menu."

"Russia launched a nuclear-powered icebreaker on Saturday, part of an ambitious program to renew and expand its fleet of the vessels in order to improve its ability to tap the Arctic’s commercial potential."

"Ice losses are rapidly spreading deep into the interior of the Antarctic, new analysis of satellite data shows."

"The United States has refused to sign an agreement on challenges in the Arctic due to discrepancies over climate change wording, diplomats said on Tuesday, jeopardising cooperation in the polar region at the sharp edge of global warming."

"The Antarctic’s second-largest colony of emperor penguins collapsed in 2016, with more than 10,000 chicks lost, and the population has not recovered, according to a new study."

"There has never been commercial fishing in the central Arctic Ocean — the part that surrounds the North Pole and is beyond any country’s jurisdiction. But with ice-free conditions projected within this century, countries are already preparing for how to deal with that possibility in the future."