"President Obama’s environmental agenda hangs in the balance as federal courts consider whether his administration overstepped its authority in drafting a host of regulations designed to combat pollution and climate change."

"The top oil and gas lobby group is launching a new advertising campaign against the federal ethanol mandate."

"A six-month investigation finds that the revolving door between government and private industry has led the EPA to rely on potentially skewed research."

"Federal regulators on Friday proposed a zero-tolerance policy for food-borne residues of a pesticide widely used on edible crops nationwide, effectively ending its application to more than a dozen crops, including tree nuts, soybeans, corn, wheat, apples and citrus."

"Democratic presidential candidate Hillary Clinton has joined the ranks of politicians and environmentalists calling for a federal investigation of ExxonMobil."

"Lawmakers have introduced legislation that if passed this week could avoid a potential rail service disruption resulting from a year-end safety deadline few railroads are expected to meet."

"The U.S. Department of Agriculture on Friday signed off on a new genetically modified type of corn developed by Monsanto Co after a review concluded it posed no significant threat to agricultural crops, other plants or the environment."

"The legal onslaught against the Obama administration's Clean Power Plan kicked off [Friday] as 25 states, industry and labor groups challenged the rule in court."

"Environmentalists and energy companies are trying to influence the Obama administration’s plan for thwarting an oil industry practice of venting and burning natural gas at some wells."

"As the Obama administration's carbon rules become final, states weigh fighting vs complying. ‘We can’t count on winning the lawsuit,’ one official says."