"The Sierra Club on Thursday said it plans to have staff and volunteers back the efforts of 100 yet-to-be-selected campaigns across the country, making it the latest green group to commit significant resources to help elect candidates who vow to take action on climate change."

"Former Vice President Joe Biden is trailing most of his Democratic presidential competitors in a newly released ranking of climate records."

"The Energy Department announced the approval of a liquefied natural gas project in Texas, saying it would allow “molecules of U.S. freedom to be exported to the world.”"

"A career Bureau of Land Management official who was fired last month says the Trump administration is refusing to enforce federal laws and regulations governing livestock grazing in Nevada out of fear of sparking another armed standoff like the one five years ago involving rancher Cliven Bundy."

"A growing number of Democratic politicians and environmental activists are demanding a live televised primary debate dedicated to climate change."

"A government watchdog group on Wednesday requested an investigation into the head of the Environmental Protection Agency’s (EPA) air office, arguing the Trump appointee violated an ethics pledge by meeting with former clients."

"A major environmental group helped drive a federal court decision last week blocking emergency funds for President Trump's planned border wall build-out."

"When the Trump administration exempted parts of the Chicago area last year from federal limits on lung-damaging smog, it delivered a huge financial break to steel mills, chemical plants and other industries that are some of the region’s biggest polluters."

"As some Republicans inch toward climate policy for the first time in years, those in the party who reject climate science are getting nervous that a more permanent shift is coming. And they're going on the attack against their former allies.

"A nonprofit that tracks pollution in the Chesapeake Bay lambasted Pennsylvania on Tuesday, saying that the state is failing to protect the nation’s largest estuary from farm manure and dirty stormwater."