(Penn State) “The Arctic as we know it may soon be a thing of the past,” says Eric Post, associate professor of biology at Penn State University. Post leads a large, international team that carried out ecosystem-wide studies of the biological response to Arctic warming during the fourth International Polar Year, which ended in 2008. […]
By Victoria Gill, Science reporter, BBC News Polar bears have shrunk over the last century, according to research. Scientists compared bear skulls from the early 20th Century with those from the latter half of the century. Their study, in the Journal of Zoology, describes changes in size and shape that could be linked an increase […]
By Cameron Dueck on the Bering Sea The Canadian Arctic is facing another year of open water with the summer break-up of sea ice ahead of schedule in many key parts of the northern archipelago. The early break-up of ice underlines the growing impact of climate change in the Poles where temperatures have risen much […]
ANCHORAGE, Alaska— Today, responding to a court-ordered deadline, the U.S. Fish and Wildlife Service released long-overdue reports documenting the status of polar bears and Pacific walrus in Alaska. The reports confirm that polar bears in Alaska are declining and that Pacific walrus are under threat. Both species are imperiled due to the loss of […]
by Pierre-Henry Deshayes TROMSOE, Norway (AFP) – Potentially fatal to the polar bear, global warming has already left its mark on the species with smaller, less robust bears that are increasingly showing cannibalistic tendencies. Top experts who gathered this week in Tromsoe in northern Norway to discuss ways of protecting the species sounded alarm bells […]
WARMER temperatures and earlier melting of sea ice are causing polar bears to go hungry. The number of undernourished bears has tripled in a 20-year period. Seth Cherry of the University of Alberta, Canada, and colleagues monitored the health of polar bears in the ice-covered Beaufort Sea region of the Arctic during April and May […]
