The George River herd of caribou in Labrador has fallen about 90 percent in population size from a peak some 20 years ago.

"Ignoring calls from environmentalists to revisit the status of the polar bear, the Obama administration outlined yesterday its legal reasoning for why it should be listed as threatened under the Endangered Species Act."

"The House adopted legislation Tuesday aimed at protecting sharks off U.S. coasts, though an exemption in the bill has raised concerns among federal fishery officials."

"The nonprofit Center for Biological Diversity [Tuesday] filed notice of intent to sue the Department of the Interior for failing to write a recovery plan for wolves in the lower 48 states."

"An effort to fight an invasive plant with insects that eat it has drawn opposition from beekeepers who worry it will leave them without an adequate source of nectar and pollen for their honeybees."

"An internal EPA memo released [Dec. 8] confirms that the very agency charged with protecting the environment is ignoring the warnings of its own scientists about clothianidin, a pesticide from which Bayer racked up ... about $262 million in sales in 2009."

"Amid complaints of environmental harm and pressure from a federal court, U.S. agriculture regulators are considering a compromise approval for genetically altered alfalfa that would allow the crop to be grown with certain restrictions aimed at protecting non-GMO crops, Agriculture Secretary Tom Vilsack said on Thursday."

"A federal judge yesterday threw out a federal scientific study that forms the basis for protecting the delta smelt in California's sprawling Sacramento-San Joaquin River Delta."