"The Senate's top Republican is telling states to ignore a central part of President Barack Obama's plans to curb the pollution blamed for global warming."

"For more than a decade, the New Jersey attorney general’s office conducted a hard-fought legal battle to hold Exxon Mobil Corporation responsible for decades of environmental contamination in northern New Jersey."

"The White House on Tuesday threatened to veto a pair of Republican bills aimed at changing the way the Environmental Protection Agency (EPA) uses science to justify regulations."

"The Obama administration and two states have given notice of plans to appeal a federal judge's order that restored legal protection to gray wolves in the western Great Lakes region.The Obama administration and two states have given notice of plans to appeal a federal judge's order that restored legal protection to gray wolves in the western Great Lakes region."

"The Los Angeles Fire Department has failed to properly inspect hundreds of hazardous sites scattered across the city, exposing the public to increased risks from potential spills and mishandling of toxic substances, according to a state report released Friday."

"The Public Utilities Commission of Ohio made history Wednesday in a ruling refusing to allow AEP Ohio to saddle ratepayers with extra charges to subsidize the continued operation of a 1950s-era coal-fired power plant that it owns along with FirstEnergy and other state utilities."

"The U.S. Supreme Court threw overboard on Wednesday a Florida fisherman's conviction under an evidence-tampering provision of a federal white collar crime law for disposing of undersized red grouper fish while he was under investigation."

"The U.S. House of Representatives on Tuesday approved legislation that orders the U.S. Environmental Protection Agency to fight the toxic algal blooms that tainted drinking water from Lake Erie last summer."