"Michigan’s response to PFAS contamination now includes screening levels for five forms of the chemicals, a move that sets a significantly lower base-line for considering potential health effects for people exposed to them."

"Mexican and American officials met in Mexico City this week to talk about fixing a costly set of problems that have sprung up along the border: failing sewer systems that send raw sewage spilling into rivers."

"Senate Democrats are requesting the Interior Department’s watchdog investigate what role President Trump’s pick to lead the agency played in preventing the release of a government report on toxic pesticides and endangered species."

"Major cities across the United States are facing increasingly clogged roads and have had frustratingly little success in dealing with them. But now that New York has adopted congestion pricing in Manhattan, the rest of the country is far more likely to seriously consider embracing such a policy — even though it was once considered politically toxic, according to municipal officials and transportation analysts."

"A fractured EPA advisory panel is asking for help as its ability to handle a high-stakes review of particulate matter standards is under harsh scrutiny."

Where should we look to map the emergence of antibiotic resistant bacteria? Sewage would be a good place to start, according to a newly published scientific paper.

"Eleven federal judges were at times puzzled, perturbed and bemused during high-stakes oral arguments yesterday involving the pesticide chlorpyrifos."

"A federal judge today [Wednesday] dismissed a third lawsuit challenging a far-reaching EPA restriction on advisory committee membership, likely dealing a fatal blow to opponents' hopes of overturning the policy anytime soon."