"The U.S. government settled a lawsuit Wednesday brought by the state of Utah over a mine waste spill caused by federal workers that sent wastewater downstream to several states from the inactive Gold King Mine in southwestern Colorado five years ago."

"California has about 47,000 abandoned mines and roughly 5,000 of those are contaminating water, soil, vegetation, and air across the state, according to a state report issued Tuesday."

"The Indian state of Tamil Nadu is relocating whole slums to help restore polluted rivers. Is it doing more harm than good?"

"A climate change initiative in the Northeastern U.S. designed to cut greenhouse gas emissions has also greatly reduced harmful air pollution and related impacts to kids' health, such as asthma, preterm births and low birth weights, according to a new study."

"Wealthy white Americans are still getting to breathe cleaner air than lower-income communities of color, despite significant nationwide reductions in pollution since the 1980s, according to a new study."

"African-Americans are 75 percent more likely than others to live near facilities that produce hazardous waste. Can a grass-roots environmental-justice movement make a difference?"

"One person was treated for smoke inhalation after a Union Pacific train derailed and caught fire on a bridge over Tempe Town Lake in Arizona, officials said Wednesday. Plumes of black smoke could be seen Wednesday morning rising into the sky beneath a trail of flames on video and images from the site of the derailment, where part of the bridge collapsed."

"A new study by the Union of Concerned Scientists concludes that more than 800 hazardous Superfund sites near the Atlantic and Gulf coasts are at risk of flooding in the next 20 years, even with low rates of sea level rise." 

"The Environmental Protection Agency’s internal watchdog said Monday it had opened an investigation into the agency’s weakening of Obama-era regulations that would have limited automobile emissions by significantly raising fuel economy standards."