"Oil refineries would be required to cut emissions and begin monitoring levels of toxic air pollutants at their fence lines with neighboring communities under standards proposed Thursday by the U.S. Environmental Protection Agency."

"A foreign oil company convicted of polluting a Texas community's air with dangerous chemicals has gotten off easy in a criminal case that could undercut the prosecution of environmental crimes in the United States. The case revolves around Venezuelan-owned Citgo Petroleum’s decade-long violation of the federal Clean Air Act at its refinery in Corpus Christi."

"The federal agency responsible for making sure states effectively oversee the safety of natural gas and other pipelines is failing to do its job, a government watchdog said in a report released Friday."

"The Obama administration [Friday] released two new proposed rules and a new policy designed to clarify how it designates and protects critical habitat for threatened and endangered species, a key bulwark against extinction."

"The Obama administration on Friday scored its third major legal victory on air pollution in less than month when a federal appeals court rejected an industry challenge to its latest health standards for fine particulate matter, or soot."

"The government has failed to inspect thousands of oil and gas wells it considers potentially high risks for water contamination and other environmental damage, congressional investigators say."

"The Obama administration began a process that may result in the first federal regulation of chemicals used in fracking, a drilling technique that has transformed energy production while eluding oversight sought by environmentalists."

"A long-running legal battle between a legendary Washington law and lobbying firm and a major oil company has been settled."