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Polar Bears

Polar Bears’ Habitat in the Arctic Designated as “Critical”

Polar bears’ Arctic home in Alaska will be designated as “critical habitat,” the U.S. Interior Department’s Fish and Wildlife Service (FWS) said on Wednesday. The zone encompasses more than 187,000 square miles (484,000 square kilometers) along Alaska”s north coast. “The critical habitat designation clearly identifies the areas that need to …

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Study sees polar bears losing out to grizzlies

Polar bears are likely to lose out to grizzly bears in fierce competition for food as climate change drives the two species closer together into shared habitat, biologists concluded in a study released on Tuesday. The research was based on 3-D computer modeling that compared the skull and jaw strength …

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Late Hudson Bay ice imperils polar bears

Hundreds of polar bears in northeastern Manitoba may face an increased risk of starvation due to delayed ice formation along the western coast of Hudson Bay, conservationists say. Higher-than-normal temperatures have prevented ice from forming in the region, putting it three to four weeks behind schedule, according to the Canadian …

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Canada opposes U.S. effort to ban polar bear trade

Credits: Wikipedia

A cross-border battle is looming over polar bears, the Arctic giants that provoke passionate reactions in both Canada and the United States. The U.S. wants to ban the trade in polar-bear body parts, a proposal that will be considered at a meeting beginning next week of the Convention on International …

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Arctic polar bears imperilled by man-made pollution

Credits: Wikipedia

The long term survival of polar bears is being threatened by man-made pollution that is reaching the Arctic. This conclusion comes from a major review of research into how industrial chemicals such as mercury and organochlorines affect the bears. The review suggests that such chemicals have a range of subclinical …

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Polar Bears forced to land and water

As Arctic sea ice melts, polar bears are changing their habitat, shifting from their preferred ice hunting grounds to land and open water, according to a new long-term study. The number of bears sighted steadily increased from 138 bears between 1979 and 1987, to 271 bears between 1988 and 1996, …

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How mercury pollution affects the polar bear

In a new research, scientists have revealed how mercury pollution is affecting Arctic animals like the polar bear. The research, led by biogeochemists Travis Horton of the University of Canterbury and Joel Blum of the University of Michigan, lays the groundwork for assessing current and future effects of mercury deposition …

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Polar Bears poisoned by pesticide pollution

Today the Center for Biological Diversity filed suit in Seattle against the Environmental Protection Agency for failing to consider impacts to the polar bear and its Arctic habitat from toxic contamination caused by pesticide use in the United States. The EPA did not respond to the Center’s notification of intent …

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