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"Federal officials have withdrawn thousands of acres of land slated for sale to the oil and gas industry after courts demanded that the government take a closer look at greater sage grouse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

"Bisphenol A is likely coursing through your body right now. Every day, you're inadvertently consuming and absorbing trace amounts as it migrates from can and bottle linings into your food and drink, and from thermal paper receipts onto your skin. Scientists have found BPA in more than 90 percent of Americans tested. Yet whether exposures to such small amounts of the common chemical pose any real health hazard remains highly controversial."

"EPA yesterday [Tuesday] proposed watered-down regulations for a set of widely used insecticides linked to a range of human health and environmental concerns."

"Within a year, Oklahoma could get approval from EPA to start issuing permits that will allow the oil industry to dispose of briny oil field waste in waterways, alarming environmentalists and making it the first of three Southwestern states to step into a thorny regulatory landscape closely watched by the industry."