"The last time Jeff Holmstead and John Walke sat at the same congressional witness table, they tangled vigorously over an industry-backed proposal to overhaul EPA's New Source Review program."

"After months of wrangling between local officials over whether to settle the case, justices for the nation's highest court are poised to hear arguments tomorrow [Wednesday] in County of Maui v. Hawai'i Wildlife Fund, a heated debate over the scope of the Clean Water Act."

"Hundreds of thousands of Canadians have been unwittingly exposed to high levels of lead in their drinking water, with contamination in several cities consistently higher than they ever were in Flint, Michigan, according to an investigation that tested drinking water in hundreds of homes and reviewed thousands more previously undisclosed results."

"Emissions of a banned ozone-destroying gas that had risen unexpectedly since 2012 appear to have declined in the last two years, according to preliminary data reported by scientists on Monday."

"Business and industry representatives appointed to a controversial regulatory oversight board by former Republican Gov. Rick Snyder helped temporarily slow down advancing drinking water standards that would limit allowable levels of toxic fluorochemicals called PFAS in Michigan drinking water if enacted."

"Air pollution in New Delhi and surrounding towns reached the worst levels so far this year on Sunday, with authorities in the world’s most polluted capital city having already declared a public health emergency and ordered the closure of schools."

"Jasper Davis stoops to tilt a plastic bottle under a drip of water that's trickling from a crack in the mountainside. 'Tastes better than what the city water does,' he says. 'Way better.'"

"LANSING – Legislation approved under former Gov. Rick Snyder to allow for construction of a tunnel to house a new Enbridge Line 5 crude oil pipeline under the Straits of Mackinac is constitutional, the Court of Claims ruled Thursday."

"Approximately 383,000 gallons of crude oil have spilled into a North Dakota wetland this week in the latest leak from the Keystone Pipeline, fueling long-standing opposition to plans for the pipeline network’s extension."