"OKUMA, Japan - Eight years after the Fukushima nuclear crisis, a fresh obstacle threatens to undermine the massive clean-up: one million tons of contaminated water must be stored, possibly for years, at the power plant."

"U.S. air pollution is disproportionately caused by white consumers, while African-Americans and Hispanics are burdened most by the emissions, a peer-reviewed study showed on Monday."

"California is battling federal authorities over how to clean up a contaminated former nuclear research site near Simi Valley that was also caught up in the flames of November’s Woolsey Fire."

"Three decades ago, congressional auditors slammed an obscure EPA policy for effectively allowing companies to circumvent air pollution control requirements. But the policy, which defines "ambient air" for regulatory purposes, remained in place. Now, at industry's prompting, the Trump administration is poised to dramatically expand its scope."

"Elevated levels of lead have been found in schools across the US, alarming experts who say it is particularly harmful to children".

"Cleaning up and protecting U.S. drinking water from a class of toxic chemicals used in many household items could cost in the tens of billions of dollars nationally, including $2 billion for the Department of Defense alone, witnesses testified Wednesday before a House panel urging the federal government to move more quickly on the cleanup."

"In Richmond late last month, the James River flooded to more than 16 feet, its highest since 2010. The state health department closed sections to shellfish harvesting because floodwaters likely contained disease-causing bacteria and viruses."

"New Mexico on Tuesday sued the U.S. Air Force over groundwater contamination at two bases, saying the federal government has a responsibility to clean up plumes of toxic chemicals left behind by past military firefighting activities."