For centuries the Nenets people have wandered across northern Russia with their reindeer. But now, climate change threatens to bring an end to their nomadic existence. Researchers are looking for a way out of this man-made crisis.
How is the climate crisis affecting Siberia's last great reindeer herds — and the people who live and move alongside them? Researchers are working to find out.
Russian reindeer herders have found parts of a well-preserved skeleton of a woolly mammoth in a Siberian lake, with more fragments likely still hiding in the silt. Some of the bones still have ligaments attached.
Canada's 4,000-year-old Milne Ice Shelf has broken apart due to melting from both hotter air above and warmer water below. Much of the Earth's ice shelves have collapsed because of rising temperatures in both poles.
The scorching heat in Siberia this summer was a result of burning fuel, wildfires, thawing permafrost and other man-made conditions, a new study says. Scientists warn it is evidence of increasing extreme temperatures.
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