National (U.S.)

"The White House on Tuesday said President Obama had no intention of bowing to a request from the company behind the Keystone XL oil pipeline to delay a decision on the project, saying he wanted to take action before his tenure ends."

"Four members of the House want the Securities and Exchange Commission to look into whether the oil giant violated the law."

"Democratic U.S. senators on Monday urged the Obama administration to reform the federal coal mine program to include costs of the fuel's carbon emissions and potentially raise royalties paid by companies that mine the fuel on public lands."

"Federal wildlife managers have determined that grizzly bear numbers in and around Yellowstone National Park have rebounded sufficiently to propose stripping the animals of U.S. Endangered Species Act protections in the months ahead, a spokesman told Reuters."

"The Entergy Corporation said on Monday that it had decided to close a 40-year-old nuclear power plant on the shore of Lake Ontario, disappointing Gov. Andrew M. Cuomo, who said the company showed a “callous disregard” for more than 600 employees."

"The Environmental Protection Agency said on Monday that it had discovered emissions-cheating software on more Volkswagen and Audi cars than previously disclosed and, for the first time, also found the illegal software in one of the carmaker’s high-end Porsche models."

"The company sponsoring the controversial Keystone XL oil pipeline Monday asked the State Department to suspend the review of its federal permit application, a request that could push a final decision on the pipeline beyond President Obama’s tenure in office."

"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."

Conservatives and evangelical Christians are making a case for clean energy. Will it become a movement?

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