"Conservationists declared victory on Wednesday in a legal battle over Idaho's systematic killing of wolves in a national wilderness area after the state notified federal land managers it did not intend to reinstate a controversial kill program."

EPA is trying to phase out the soil fumigant methyl bromide, on which the commercial strawberry crop has been dependent. Methyl bromide damages the ozone layer of the atmosphere. But the effort to find an adequate substitute has scientists scrambling.

"The campaign to stop President Barack Obama's sweeping emissions limits on power plants began taking shape Wednesday, as 16 states asked the government to put the rules on hold while a Senate panel moved to block them."

"Oklahoma regulators are imposing new restrictions on energy companies injecting wastewater underground, in the latest effort to stem a sharp increase in earthquakes."

"To comply or not to comply. That’s the question now facing Texas officials regarding the Obama administration’s ambitious Clean Power Plan. The sweeping regulatory initiative, unveiled [Monday] in its final form, aims at transforming the nation’s electricity-production system to slash emissions of climate-disrupting air pollution."

"Idaho's so-called 'ag-gag' law, which outlawed undercover investigations of farming operations, is no more. A judge in the federal District Court for Idaho decided Monday that it was unconstitutional, citing First Amendment protections for free speech. But what about the handful of other states with similar laws on the books?"

"California water quality regulators have asked state Attorney General Kamala Harris to consider enforcement action against the owner of an oil pipeline that ruptured near Santa Barbara in May, spilling petroleum onto beaches and the Pacific Ocean."

"Two years after President Obama issued a landmark executive order setting federal priorities for advancing chemical security, a slew of agencies continue to plod toward regulatory changes, to the frustration of some environment and public health organizations that would like to see faster improvements."

"LAHAINA, Hawaii — Trade ministers from a dozen Pacific Rim nations failed to reach a deal on a new trade agreement that would cover nearly 40 percent of the global economy, U.S. Trade Representative Michael Froman said Friday."

"U.S. EPA appears to be leaning toward giving states an extra two years -- until 2022 -- to start cutting carbon emissions from power plants under a final Clean Power Plan rule expected to be rolled out as early as Monday."