Are Polar Bears Extinct 2024 Wiki. Further, polar bears are likely to experience reproductive failure by 2040,. 31 in science, combines past research and new analysis to provide a quantitative link between greenhouse gas emissions and polar bear.

A 2020 study has predicted that polar bear extinction will occur in the arctic by 2100 if greenhouse gas emissions remain on their current trajectory. Polar bears are listed as vulnerable to extinction by the international union for conservation of nature (iucn), with climate change a key factor in their decline.