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Why ice loss in the Arctic is threatening polar bear populations

Churchill, Canada Here on the Arctic edge of northern Canada, the annual migration of the polar bears is attracting tourists, photographers and scientists such as Jeff York.

Buggies crosses frozen terrain, making tourists closer to a really brutal thing. Polar bears She passes through Churchill, Manitoba, in the hope of riding it from the small city on the sea ice of Hudson Bay.

After a summer of fasting on the ground, the bears need to return to its frozen house to hunt the seals and wholesale.

“They only dream about ice and go back there,” said York, Director of Research and Politics at the Polars International Group.

But these immigration rituals change. North Pole Warming is about four times faster than the rest of the world, according to the study Published In 2022 in the Journal of Nature.

“The Arctic is one of the fastest warming areas on this planet,” said Flavio Lynar, chief climate at Bulls Birz International and Assistant Professor at Cornell University, who melts to melt the marine ice on which he relies.

“It is important, because it is a complete transformation of the ecosystem,” Linner said.

The polar bears of the western Gulf of Hudson outside the ice for a month longer than their fathers and grandparents. This hurts hunting and their ability to obtain healthy cubs that make them in adulthood.

It is changing the reduction of this population by half in 40 years, according to Polar Bears International.

“It is actually difficult to find other places, perhaps unlike the places that may be removed in the Amazon, where you see such a blatant change,” Lehnener said.

And what happens in the Arctic flows to all of us.

“If the marine ice disappears, the Arctic will heat up faster and the planet will be buried faster,” Lehnener said.

This ice Like the Earth air conditioner you can think. It reflects light and heat away from our waters. Without it, the sun is absorbed and ocean heating.

Scientists say to slow melting, we need to reduce emissions significantly from fossil fuels.

York said: “The Arctic is just an indication for me that all of us can come to all.” “It is the way of nature to tell us that we need to do something.”

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