Adjunct Professor, University of Alberta
Expertise: Polar bears
Sea ice loss due to climate change is the biggest threat to polar bear survival and has already led to declines in some polar bear subpopulations, contrary to “Climate Realism” video message
“In 1950, there were around 10,000 polar bears globally. Today, polar bear populations are near 39,000. Polar bear populations are increasing dramatically as the planet has warmed.”
SOURCE: Andy Singer, Climate Realism, Heartland Institute
Published: 29 Oct 2020
The long-term survival of polar bears is threatened by loss of sea-ice due to global warming, new study confirms
"Global warming is driving polar bears toward extinction"
SOURCE: Henry Fountain, The New York Times
Published: 27 Jul 2020
The global polar bear population is threatened by loss of sea ice, contrary to PragerU’s video claim
The polar bear population has been growing. Polar bears are thriving even where sea ice is diminishing.
SOURCE: Anonymous, PragerU
Published: 18 May 2020