The Republican Sarah Palin and her officials in the Alaskan state government drew on the work of at least six scientists known to be sceptical about the dangers and causes of global warming, to back efforts to stop polar bears being protected as an endangered species, the Guardian can disclose. Some of the scientists were funded by the oil industry.
In official submissions to the US government's consultation on the status of the polar bear, Palin and her team referred to at least six scientists who have questioned either the existence of warming as a largely man-made phenomenon or its severity. One paper was partly funded by the US oil company ExxonMobil.
The status of the polar bear has become a battleground in the debate on global warming. In May the US department of the interior rejected Palin's objections and listed the bear as a threatened species, saying that two-thirds of the world's polar bears were likely to be extinct by 2050 due to the rapid melting of the sea ice. Palin, governor of Alaska and the Republican nominee for US vice-president, responded last month by suing the federal government, to try to overturn the ruling. The case will be heard in January.
Though the state of Alaska has no polar bear specialists on its staff, the governor's stance has pitted it against the combined scientific fire-power of the US Fish and Wildlife Service, the US Geological Survey, and world experts on the mammal.
In its lawsuit, Alaska said it opposed the endangered label partly because the listing would "deter activities such as ... oil and gas exploration and development". Oil companies recently bid $2.7bn (£1.5bn) for rights to explore the Chuckchi sea, an established polar bear habitat.
The threatened species status might also impede the building of an Alaskan natural gas pipeline, which Palin has called the "will of God".
Governor Palin would also like to bring open-cast coal mining to Alaska's Brooks Range Mountains, an act of environmental vandalism in the eyes of many.
The Palin administration has allowed Chevron to triple the amount of toxic waste it pours into the waters of Cook Inlet. This, even though the number of beluga whales in the bay has collapsed from 1,300 to 350 - the point of extinction - because of pollution and increased ship traffic.
On the Republican convention floor she said: "We Americans need to produce more of our own oil and gas and take it from a gal who knows the North Slope of Alaska: We've got lots of both."
The fact that drilling won't solve every problem "is no excuse to do nothing at all", she said, putting the country on notice that "starting in January, in a McCain-Palin administration, we're going to lay more pipelines ... build more nuclear plants ... create jobs with clean coal ... and move forward on solar, wind, geothermal and other alternative sources".
Mrs Palin also took a swipe at Barack Obama's environmental stance saying: "What does he actually seek to accomplish, after he's done turning back the waters and healing the planet?"
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