"An EPA advisory panel has finalized a striking rebuke of the Trump administration's revamped Clean Water Act rule, saying critical elements are not adequately based on science."

"Standing in his boat in Florida’s Apalachicola Bay, Michael Dasher lowered a long pair of tongs into the water, pulling up a muddy mass of oysters that his son sorted, keeping those big enough to sell and tossing the rest back into the brackish bay."

"A long-awaited federal report out Friday rejected the idea of removing four hydroelectric dams on a major Pacific Northwest river in a last-ditch effort to save threatened and endangered salmon, saying such a dramatic approach would destabilize the power grid, increase overall greenhouse emissions and more than double the risk of regional power outages."

"Revisions of key memos could undermine federal regulator’s defense of rule changes, legal experts say"

"The Interior Department is pushing ahead with a controversial proposal that would prohibit the agency from considering scientific studies that don’t make all of their underlying data public."

"When migratory fish follow their ancestral instinct to swim up Delaware’s Brandywine Creek during this spring’s spawning season, they will find, for the first time in more than 200 years, that their route is not blocked by a dam."

"A U.S. Geological Survey lab in Seattle leached pathogen-laced wastewater into a Seattle wetland, possibly endangering salmon and trout, and has attempted to fire an employee who blew the whistle on the lab, according to Public Employees for Environmental Responsibility."