Changes

Since these conservation efforts had been made, the world population rose to an estimated 22-27,000,<ref>Nature Canada: [http://www.naturecanada.ca/climate_change_polar.asp Climate Change and Polar Bears]</ref> even though there is no adequte census.<ref name="bearfacts"/>

Since these conservation efforts had been made, the world population rose to an estimated 22-27,000,<ref>Nature Canada: [http://www.naturecanada.ca/climate_change_polar.asp Climate Change and Polar Bears]</ref> even though there is no adequte census.<ref name="bearfacts"/>

Still, the World Conservation Union (IUCN) classified the polar bear as a "vulnerable species" on the "Red List of Threatened Species".<ref>2007 IUCN Red List: [http://www.iucnredlist.org/search/details.php/22823/all "Ursus maritimus"]</ref> The given reason was not hunting, but rather the impact of global warming on their habitat.<ref>''Global climate change posses a substantial threat to the habitat of polar bears.'' - 2007 IUCN Red List: [http://www.iucnredlist.org/search/details.php/22823/all "Ursus maritimus"] (Justification section)</ref><ref>''"I don't think there is any question polar bears are in danger from global warming," said Andrew Derocher of the World Conservation Union, and a professor of biological sciences at the University of Alberta in Edmonton. "People who deny that have a clear interest in hunting bears."'' - Telegraph.co.uk: [http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2007/03/09/wpolar09.xml " Polar bears 'thriving as the Arctic warms up' "]</ref><ref>''Climate change is the main threat to polar bears today. A diminishing ice pack directly affects polar bears, as sea ice is the platform from which they hunt seals. Although the Arctic has experienced warm periods before, the present shrinking of the Arctic's sea ice is rapid and unprecedented.''- Polar BEars International: [http://www.polarbearsinternational.org/bear-facts/ Bear Facts]</ref>

Still, the World Conservation Union (IUCN) classified the polar bear as a "vulnerable species" on the "Red List of Threatened Species".<ref>2007 IUCN Red List: [http://www.iucnredlist.org/search/details.php/22823/all "Ursus maritimus"]</ref> The given reason was not hunting, but rather the impact of global warming on their habitat.<ref>''Global climate change posses a substantial threat to the habitat of polar bears.'' - 2007 IUCN Red List: [http://www.iucnredlist.org/search/details.php/22823/all "Ursus maritimus"] (Justification section)</ref><ref>''"I don't think there is any question polar bears are in danger from global warming," said Andrew Derocher of the World Conservation Union, and a professor of biological sciences at the University of Alberta in Edmonton. "People who deny that have a clear interest in hunting bears."'' - Telegraph.co.uk: [http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2007/03/09/wpolar09.xml " Polar bears 'thriving as the Arctic warms up' "]</ref><ref>''Climate change is the main threat to polar bears today. A diminishing ice pack directly affects polar bears, as sea ice is the platform from which they hunt seals. Although the Arctic has experienced warm periods before, the present shrinking of the Arctic's sea ice is rapid and unprecedented.''- Polar Bears International: [http://www.polarbearsinternational.org/bear-facts/ Bear Facts]</ref>

==Activism==

==Activism==