"The tug of war over how much more fuel efficient new cars and trucks should be in coming years — a fight that once seemed all but settled — will play out again on Wednesday in a downtown Washington hotel."

"U.S. EPA cannot sidestep a court-approved deal to address air pollution from coal-fired power plants in Texas, a federal court has ruled."

"Oil refineries and chemical plants across the Texas Gulf Coast released more than 1 million pounds of dangerous air pollutants in the week after Harvey struck, according to public regulatory filings aggregated by the Center for Biological Diversity."

"A federal investigative agency that President Trump sought to eliminate is now looking into a fire and explosions at a facility northeast of Houston that is owned by a well-connected French chemical company."

"WASHINGTON, D.C. – When Ceon Dubose Palmore got thirsty at school, an administrator had to escort the 15-year-old past trash-bag-covered fountains to a faucet two floors down."

"HIGHLANDS, Texas -- Floodwaters have inundated at least seven highly contaminated toxic waste sites near Houston, raising concerns that the pollution there might spread."

"Officials in Houston are just beginning to grapple with the health and environmental risks that lurk in the waters dumped by Hurricane Harvey, a stew of toxic chemicals, sewage, debris and waste that still floods much of the city."

"The $1.7 billion Superfund cleanup of the Hudson River is not protecting the public’s health and the river as initially promised, New York’s environmental commissioner contended Wednesday."

"As rain poured and floodwaters inched toward his house in south Houston, Wes Highfield set out on a risky mission in his Jeep Cherokee. He drove in several directions to reach a nearby creek to collect water samples, but each time he was turned back when water washed against his floorboard."

"ExxonMobil acknowledged Tuesday that Hurricane Harvey damaged two of its refineries, causing the release of hazardous pollutants."