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Warnings about the future of the polar bear are often contrasted with the fact that worldwide population estimates have increased over the past 50 years and are relatively stable today. [66] [67] Some estimates of the global population are around 5,000 to 10,000 in the early 1970s; [68] other estimates were 20,000 to 40,000 during the 1980s.
While hunting has long been an issue, global warming has done a number on polar bears' habitats recently. In fact, the World Wide Fund for Nature (or WWF) estimates that there are only 22,000 to ...
Global warming affects plants and animals. For plants, the warmer temperatures induce stress on the plants. [35] For animals, there has been a decrease in the number of polar bears in the Hudson Bay area. [36] Since 1981, the polar bear population has been declining.
Taylor has published over 5150 scientific papers on polar-bear-related topics, and he has worked in the field on most of the world's polar bear populations. He was a coauthor of the 2008 Committee on the Status of Endangered Wildlife in Canada (COSEWIC) Assessment and Update Status Report for polar bears. From 2004 to 2008, he was also manager ...
Polar bears (2 C, 11 P) Pages in category "Species that are or were threatened by climate change" The following 13 pages are in this category, out of 13 total.
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 ...
Data from 2018 found that at 1.5 °C (2.7 °F), 2 °C (3.6 °F) and 3.2 °C (5.8 °F) of global warming, over half of climatically determined geographic range would be lost by 8%, 16%, and 44% of plant species. This corresponds to more than 20% likelihood of extinction over the next 10–100 years under the IUCN criteria. [59] [15]
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