"The president, who [made] the announcement during a visit to Wal-Mart in Mountain View, California, [also highlighted] commitments by corporations to lift solar generation at their facilities. Wal-Mart, Apple Inc, Yahoo Inc, Google Inc and Ikea were among the companies making such commitments."

"WASHINGTON — A bipartisan bill to encourage energy efficiency in buildings died in the Senate on Monday, derailed by the contentious debate over the Keystone XL pipeline and President Obama’s plans to issue new climate change regulations."

"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."

"Weeks away from a decision from the federal government, more than 1,000 people turned up at Vancouver’s Sunset Beach Saturday to rally against the controversial Northern Gateway pipeline."

"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 warning from U.S. scientists that Oklahoma may be hit by a major earthquake has caused a run on insurance policies for tremors in the heartland state, adding to the woes of residents already in the firing line of devastating tornadoes."

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

"President Obama will announce on Friday a handful of executive actions and private and nonprofit groups’ investments in energy efficiency and renewable energy."

"The Department of Energy (DOE) Wednesday said it will give up to $47 million each to three offshore wind power projects over the next four years to pioneer “innovative” technology."