"The Kinzua Dam, which protects Pittsburgh from flooding and pollution, came at a steep price for the Seneca Nation of Indians."

"Virginia Democratic-led lawmakers on Tuesday passed a bill to block future oil and gas development off the state’s coastline, reflecting opposition to the Republican Trump administration’s efforts to open Atlantic waters to fossil fuel exploration."

"The Pentagon’s internal watchdog will review the military’s response to a cancer-linked chemical spread in part by its use of firefighting foam."

"In the Permian Basin, now the most prolific oil field in the world, hundreds of miles of plastic pipelines snake along dirt roads, drilling pads and the edges of farm fields. But they are not carrying oil. They’re transporting an another precious commodity in this arid region on the New Mexico-Texas border: water."

"Florida's next two decades could be more disruptive than any period in its history as climate change threatens the state's 8,500-mile coastline and chews away at its $1 trillion economy."

"Two environmental groups gave formal notice Friday that they will sue to protect endangered Alaska beluga whales from problems caused by oil and gas operations."

"Many business interests are cheering President Trump's recent rollback of water regulations put in place by the Obama administration. But companies that make money protecting clean water could take a big hit."

"Environmental groups are calling on the Supreme Court to review the legality of the Trump administration’s decision to exempt various border wall projects from environmental laws."