"BLACKSTONE, Va. — A conservative Virginia Republican said he supports some U.S. EPA efforts and believes the climate is changing during a boisterous town hall last night in a rural part of the state."

"President Trump has vowed to roll back regulations on business, and automakers are wasting no time in pushing his administration to make good on the promise."

"Dusty mounds of petroleum coke are gone from Chicago, but federal and city officials discovered a potentially more dangerous type of pollution while investigating the black piles that once towered above the East Side neighborhood."

"A Globe review shows water treatment plants are failing on reserves across Canada. For every system the government fixes, plenty remain in a shambolic state."

"Leather processing is big business in Bangladesh, India, and other parts of the developing world, where regulations are lax and poisons run freely."

"President Trump is preparing executive orders aimed at curtailing Obama-era policies on climate and water pollution, according to individuals briefed on the measures."

"In his first interview as EPA administrator, Scott Pruitt made one thing very clear: the Clean Power Plan, the signature climate regulation of the Obama administration, is not long for this world."

"After 50 years, mining companies will pay for cleanup at 94 abandoned uranium mines on Navajo Nation. A historic, $600 million settlement agreement reached by the Navajo Nation, the United States and two subsidiaries of the mining company Freeport-McMoRan aims to address a legacy of uranium mining that stretches back to 1944."