"The climate can only continue to warm as concentrations continue to rise," Amstrup said. Rising global temperatures are forcing bears to spend more time on land and to go longer between meals. (NaturalNews) Images of periled polar bears sinking into arctic seas because of melting polar ice caps have become an iconic symbol of the devastating consequences of so-called global warming. Sea ice is the home of polar bears' major food source, ice seals, so when the sea ice disappears, so does the bears' main way of getting meals. Polar Bear On Iceberg Photos and Premium High Res Pictures - Getty Images Find Polar Bear On Iceberg stock photos and editorial news pictures from Getty Images. Sea ice forms at colder temperatures than freshwater ice, so when things warm up, sea ice is the first thing to melt. Thousands of new, high-quality pictures added every day. The effects are most notable in the colder regions of the world since a large portion of the ice cover comes from frozen ocean water, or sea ice. Find Polar Bear stock images in HD and millions of other royalty-free stock photos, 3D objects, illustrations and vectors in the Shutterstock collection. Temperatures are rising in many regions of the world because high concentrations of greenhouse gases, such as carbon dioxide (CO2), are warming up the Earth's atmosphere. There are 19 recognized polar bear subpopulations, but only two have been studied for long enough to show that changes in ice conditions are affecting the livelihood of some polar bears. Related: Are Polar Bears Skating on Thin (Arctic) Ice? "Polar bears, they don't have natural enemies, so when they die it's of starvation." "We know that animals in the wild don't live forever," he said. Free for commercial use High Quality Images. 97,000+ Vectors, Stock Photos & PSD files. Iceberg Polar Bear stock photos are available in a variety of sizes and formats to fit your needs. Use them in commercial designs under lifetime, perpetual & worldwide. We’ll see.Steven Amstrup, chief scientist at Polar Bears International, a nonprofit research organization dedicated to studying polar bears, agreed and added that seeing a skinny bear in the wild is not altogether uncommon. Find & Download Free Graphic Resources for Polar Bear On Iceberg. Browse Getty Images' premium collection of high-quality, authentic Iceberg Polar Bear stock photos, royalty-free images, and pictures. Download Polar Bear Iceberg stock photos. They also raise the question of whether this cruel and deliberate exploitation of a dying bear violated strict Nunavut conservation laws for documentary filmmaking. The additional details make the actions of the SeaLegacy founders harder to forgive, not easier. Oddly, National Geographic admitted culpability with an apology (embedded in Mittermeier’s essay) that begins: “National Geographic went too far in drawing a definitive connection between climate change and a particular starving polar bear in the opening caption of our video about the animal.” Why would it issue such a mea culpa? Had the public backlash and editorial criticism hurt its organization more than it was willing to admit? National Geographic might hope that Mittermeier’s essay and its apology will bring former supporters and donors back into the fold, but I suspect it’s done the opposite. In her essay, Mittermeier makes a number of excuses for the subsequent public outcry over the footage but ultimately blames National Geographic for subtitles on the video that missed the story’s “nuance.” Apparently, she thinks SeaLegacy’s caption that implicated climate change is materially different from National Geographic’s caption that implicated climate change.
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