"After more than a century, these shellfish have reappeared along the Damariscotta River. Their return is a boon — and a warning of climate change."

"The Senate has voted to confirm President Trump’s pick to lead the National Oceanic and Atmospheric Administration (NOAA) as part of a group of nominees confirmed en masse."

"A recent Mongabay investigation found widespread government purchases of shark meat in Brazil to serve in thousands of public institutions." "As part of the research, we spent months combing through dozens of websites where Brazilian government agencies are legally required to publish their procurement records."

"After a record-breaking week of public voting, Katmai national park and preserve in Alaska has announced the winner of its “biggest Fat Bear Week yet”."

"Even as scientists rush to identify the migratory paths of some endangered shark species to help better protect them, climate change and other threats shift this behavior, adding urgency to the research."

"Facing weakened pollution targets and threats of federal inaction, Maryland and Virginia may have to become the agreement’s enforcers."

"A new study found that 75 streams in Alaska’s Brooks Range have turned orange due to thawing permafrost, which releases metals like iron, aluminum and cadmium that exceed U.S. Environmental Protection Agency safety thresholds for aquatic life."

"The world’s oceans have failed a key planetary health check for the first time, primarily due to the burning of fossil fuels, a report has shown. In its latest annual assessment, the Potsdam Institute for Climate Impact Research said ocean acidity had crossed a critical threshold for marine life."

"The Nature Conservancy on Tuesday announced a landmark investment worth $168 million to purchase and oversee Brookfield Renewable’s four hydroelectric dams on the lower Kennebec River in Maine, paving the way for their eventual removal."

"A UN treaty to protect marine diversity in the high seas was struck Friday after Morocco and Sierra Leone ratified the agreement, clinching the threshold of at least 60 ratifications needed to enact it as international law."