Polar bears are much more resilient to changing levels of sea ice than environmentalists previously believed, and numerous healthy populations are thriving.
Predictions that bears would die due to a lack of sea ice have continuously not come to pass. A new study by Canadian scientists found “no evidence” polar bears are currently threatened by global warming.
“We see reason for concern, but find no reliable evidence to support the contention that polar bears are currently experiencing a climate crisis,” Canadian scientists wrote in their study, published in Ecology and Evolution.
Polar bears became an icon for environmentalists who claimed that melting Arctic sea ice could kill thousands of bears. Former Vice President Al Gore heavily promoted this viewpoint by featuring polar bears swimming for their lives and drowning in his 2006 film on global warming.
Fears about global warming’s impact on polar bears even spurred the U.S. Fish and Wildlife Service (FWS) to say that the bear was “threatened” under the Endangered Species Act in 2008. Polar bears were the first species to be listed over possibly being harmed in the future by global warming.
Scientists, however, have increasingly been questioning alarmists as there are way more polar bears alive today than 40 years ago.
In fact, polar bears have likely survived past ice-free periods in the Arctic. There is no evidence of large scale marine life extinctions in the Arctic in the past 1.5 million years, despite the Arctic going through prolonged periods with no summer ice cover.
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