"Greenpeace and Sen. Lisa Murkowski's office are in a battle of words over her effort to block U.S. EPA from regulating greenhouse gases."

"Eight days after chemical industry lobbyists met with Obama administration officials, federal regulators delayed action on including bisphenol A in a new effort to better regulate dangerous chemicals. The move is drawing suspicion, considering how the head of the Environmental Protection Agency had been talking tough in one speech after another last fall about the need to protect the public from such chemicals, particularly BPA."

"Hopes of an electric car boom are spurring companies to seek new lithium sources, but new finds may be lower quality and costlier to develop than established deposits able to meet demand for years to come."

"Lead in paint, gasoline and drinking water is prohibited as dangerous for health and the environment. But the material is scattered in abundance outdoors when it comes to hunting grounds and firing ranges. Tons of lead from ammunition can accumulate on the ground over years and decades. No federal law addresses lead containment at outdoor shooting ranges operating around the country."

"Mining and drilling for oil, gas and coal will be banned in the Canadian portion of the Flathead River Basin, under a new partnership with the state of Montana announced Tuesday in British Columbia's Speech from the Throne, an annual address that identifies the Province's legislative priorities for the coming year."

"The federal judge overseeing efforts to make the Columbia Basin's federal hydroelectric dams safer for salmon is giving the Obama administration one last chance to come up with something better that won't violate the Endangered Species Act."

"The Obama administration will consider federal protection for 82 coral species threatened by warming water temperatures."

"Citing financial worries, the State of Arizona has backed out of a broad regional effort to limit greenhouse gas emissions in the West through a cap-and-trade system."

"The U.S. Senate's stalled climate bill is getting a last big push from an unlikely ally -- a group of energy companies who say a carbon market will help them get financing for the next generation of energy production."

"Most publicly traded companies that depend on water do not adequately disclose their financial risks to droughts and future regulations, even as water scarcity problems mount, according to a report released on Thursday."