"California on Friday broadened its effort to block the Trump administration from ending its authority to set greenhouse gas emission and fuel economy standards for cars and trucks."

"The pork producers were worried. A looming regulation at EPA threatened to cost hog farms time and money. So a lobbyist for the National Pork Producers Council shot an email to EPA's top political staffer, Chief of Staff Ryan Jackson. The reply likely inspired relief."

"The Makah are the only Native Americans with a treaty right to hunt whales, but they have not been allowed to do so for 20 years. A recent proposal could change that."

"The Sierra Club faced off with government lawyers in court this week to fight the U.S.-Mexico border wall backed by President Donald Trump, the latest in a lineup of lawsuits over the issue."

"Two years after it started moving oil out of North Dakota, the Dakota Access oil pipeline is asking for permission to nearly double its capacity — touching off the same environmental and regulatory concerns that led to massive protests and a presidential order blocking the project in 2016."

"Environmental groups had been waiting nearly three years for the U.S. Environmental Protection Agency to comply with a federal judge’s orders to update Clean Air Act rules governing emissions of various toxic chemicals."

"The Trump administration unlawfully excluded millions of tons of some of the most dangerous materials in public use from a safety review, a federal appeals court ruled Thursday."

"Federal officials have withdrawn thousands of acres of land slated for sale to the oil and gas industry after courts demanded that the government take a closer look at greater sage grouse habitat protections and climate change impacts."

"EPA's preliminary findings on an air pollution standard with widespread public health implications are being bluntly rejected by most members of a key advisory panel."

"The National Park Service has disbanded an industry-dominated outdoor recreation advisory panel that wanted to expand private services at campgrounds across the country."