This is how much climate change has impacted polar bear populations
Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson ...
BBC6 年
Polar bear shot dead after attacking cruise ship guard
An estimated 3,000 polar bears enjoy Svalbard's icy climes A polar bear has been shot dead after it attacked a cruise ship guard on Norway's Svalbard archipelago, within the Arctic Circle.
National Geographic news1 年
Starving-Polar-Bear Photographer Recalls What Went Wrong
He wondered whether the global population of 25,000 polar bears would die the way this bear was dying. He urged people to do everything they could to reduce their carbon footprint and prevent this ...
来自MSN11 个月
Polar bears not likely to make it through longer summers, research finds
WHAT A POLAR BEAR HAS TO DO TO MOVE ACROSS ICE SHEETS IN ... "Others have predicted that up to 24% of the adult males would die of starvation if the summer fast increases to 180 days." ...