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The key danger for polar bears posed by the effects of climate change is malnutrition or starvation due to habitat loss.Polar bears hunt seals from a platform of sea ice. Rising temperatures cause the sea ice to melt earlier in the year, driving the bears to shore before they have built sufficient fat reserves to survive the period of scarce food in the late summer and early fall.
Susan J. Crockford. Susan Janet Crockford is a Canadian zoologist and climate change denialist known for her research and publications on polar bears. From 2004 to 2019 she was an adjunct professor in Anthropology at the University of Victoria. [1]
Human-caused global warming means there are fewer days of sea ice to help build up those reserves and longer fasting periods, and scientists have said most polar bears could become extinct by the ...
Mitchell Taylor. Mitchell Taylor is a Canadian [citation needed] biologist specializing in polar bears who claims that Canada's polar bear population is higher now than it was 30 years ago and that polar bears are not currently threatened by climate change. [1] [2] [dead link] He is currently a contract adjunct professor at Lakehead University ...
Majestic, increasingly hungry and at risk of disappearing, the polar bear is dependent on something melting away on our warming planet: sea ice. In the harsh and unforgiving Arctic, where frigid ...
Glacier melt is forcing polar bears into the water where they must swim for days at a time to find solid ground. Climate change is forcing polar bears to swim for days on end to solid ground Skip ...
The Global Warming Petition Project, also known as the Oregon Petition, is a group which urges the United States government to reject the Kyoto Protocol of 1997 and similar policies. Their petition challenges the scientific consensus on climate change. Though the group claims more than thirty-thousand signatories across various scientific ...
Polar bear. The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed. The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb). The species is sexually dimorphic, as ...