Animal Ethics

JANUARY 9, 2008

To the Editor: Re “ Bearing Up ” (Op-Ed, Jan. Sarah Palin of Alaska, the scientific literature is very clear that polar bear survival is highly threatened in the wild. Because polar bears are at the top of the marine food chain, their bodies accumulate persistent organic pollutants that disrupt their reproductive systems.

New York Times 40

New York Times Polar Bears New York Bears 40

Animal Ethics

JANUARY 21, 2008

He can do so in one of two ways: either by heeding the advice of scientists calling for the polar bear to be listed as a threatened species under the Endangered Species Act; or, at the very least, by delaying the lease sale while the complexities of the proposed listing are sorted out. 17, 2008

New York Times 40

New York Times Polar Bears New York Endangered Species 40

10,000 Birds

DECEMBER 12, 2017

It would also consider cost, design, location, and other variables, such as the impact on the environment, including endangered species. This article by the Border Patrol identifies some of the technologies used in Arizona and this New York Times article looks at technology used in Texas.).

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Texas United States Mexico Campaign 183