"Sen. Bernie Sanders (I-Vt.) on Tuesday joined a push for the Department of Justice to investigate allegations that ExxonMobil hid research confirming fossil fuels contribute significantly to climate change."

"An expanding investigation into Volkswagen's emissions-cheating scandal launched by state attorneys general could last years and will likely end in a negotiated settlement."

"The gooey, grayish-black sludge that spread across Roane County in East Tennessee on a bitterly cold December morning is gone, but the fallout from the nation's worst coal-ash spill enters a new phase on Monday when the federal government begins regulating the storage and disposal of ash from coal-fired power plants."

"A House of Representatives bill unveiled Friday could make it more difficult for the public to know how prepared railroads are for responding to oil spills from trains, their worst-case scenarios and how much oil is being transported by rail through communities."

"The Obama administration moved on several fronts Friday to block new oil drilling in the Arctic Ocean, weeks after Shell said it would be walking away from the area 'for the foreseeable future.'"

"Members of Congress are asking for a federal investigation into ExxonMobil. Rep. Ted Lieu (D-Los Angeles) and Rep. Mark DeSaulnier (D-Walnut Creek) wrote a letter Wednesday to Atty. Gen. Loretta Lynch asking the Department of Justice whether the company violated the law by “failing to disclose truthful information” regarding climate change."

"Personal injury law firms around the United States are lining up plaintiffs for what they say could be "mass tort" actions against agrichemical giant Monsanto Co that claim the company's Roundup herbicide has caused cancer in farm workers and others exposed to the chemical."

"The Supreme Court appeared to side Wednesday with energy industry groups in a case challenging the federal government’s authority to regulate electricity supply and demand."

"A group of environmental organizations filed suit against the U.S. Forest Service on Tuesday alleging that the government agency allowed Nestlé to bottle water in California on an expired permit."