Tag Archives: oil exploration

Risk to Alaskan polar bear cubs from oil exploration in coastal Wildlife Refuge is small

A bill recently introduced to US Congress (30 July 2020) is supposedly meant to “safeguard the Beaufort Sea polar bear’s denning habitat”.  However, the bill is named the “Polar Bear Cub Survival Act”, which tells us this is an appeal to emotions rather than a call for rational decision-making. In fact, few Southern Beaufort Sea polar bear cubs are born on land in the Alaska National Wildlife Refuge and the risks to them from oil exploration is not overwhelming.

Amstrup_only solution_with 3 cubs_Oct 8 2014

Despite a modest decline in summer sea ice since 1979, only about half of Southern Beaufort Sea polar bear females currently make their dens on the sea ice in late fall. Recent research confirms results from older studies that show denning females in Alaska are highly tolerant of the kind of disturbance associated with oil exploration and few dens are found more than about 1 km from the shore. This emotion-laden bill is not really about protecting polar bears: it’s a political move aimed at preventing oil exploration along the coast of Alaska after previous efforts failed. It comes ahead of an announcement today (18 August 2020) that the White House will begin to auction off leases for oil drilling in the ANWR.

Don’t let the ‘trust my word, I’m an expert’ hyperbolic testimony from activist scientists like Steven Amstrup and others hold sway on this issue – see for example Alaska polar bear den disturbances part of ‘death by a thousand cuts,’ researcher says (biologist Wesley Larson on Alaska Public Radio, 14 July 2020), or activist conservation organizations Polar Bears International and World Wildlife Fund. Have a look at the facts on the matter taken from the published literature, which I summarize below (as many pdfs provided as possible).

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No proof walrus are “struggling from the loss of sea ice” as new Earthjustice lawsuit claims

A new day, a new lawsuit by environmentalists: this time, the species-on-a-pedestal is the same population of Chukchi Sea walrus that generated a news frenzy last month, which apparently still has legs.

Walrus puss_USGS_IMG_4763
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Polar bear listed as a migratory species by UNEP to restrict oil exploration & extraction

In a press release this afternoon, the Convention on the Conservation of Migratory Species of Wild Animals (CMS) announced it had added polar bears to their list of Appendix II migratory species. [CMS is a pseudo-arm of the UN Environment Programme, the UNEP1]

polarbear_new_USGS
The Polar Bear, the largest apex predator on Earth is affected by climate change that has led to the loss of 2 million m2 of sea ice. The Appendix II listing introduces the global perspective of existing threats to Arctic species stemming from shipping and oil exploration, making it a case for all CMS Parties.

But why formally list the polar bear as a migratory species when it is protected under several other national and international programs?

UPDATED 10 November 2014, see additions below
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