"The world lost 1,453 square kilometers (561 square miles) of salt marsh between 2000 and 2019, an area twice the size of Singapore, according to a new study based on satellite imagery."

"The Chilkat Indian Village of Klukwan is challenging a state permit approving construction of a gold and metals mine that would tunnel under the Saksaia Glacier on 6,100-foot Flower Mountain near the headwaters of the Chilkat River watershed."

"As US faces criticism at Cop15 biodiversity conference over failure to sign 30-year-old pact to protect nature, Biden poised to sign shark fin measure into law".

"Dead and dying seabirds collected on the coasts of the northern Bering and southern Chukchi seas over the past six years reveal how the Arctic’s fast-changing climate is threatening the ecosystems and people who live there, according to a report released Tuesday by U.S. scientists."

"Four Native American tribes have agreed with Michigan and federal officials on a revised fishing policy for parts of three of the Great Lakes, officials said Monday."

"An oil spill in a creek in northeastern Kansas shut down a major pipeline that carries oil from Canada to the Texas Gulf Coast, briefly causing oil prices to rise Thursday."

"The city of Port Townsend, Washington, on Monday proclaimed that Southern Resident Orcas have legal rights, marking the first time a U.S. city council has made such a recognition."

"The U.S. Environmental Protection Agency on Thursday proposed restrictions that would block plans for a copper and gold mine in Alaska’s Bristol Bay region that is home to the world’s largest sockeye salmon run."

"A growing movement across the continent is working to remove thousands of barriers and restore some of the world’s most fragmented rivers."

"The Great Barrier Reef in Australia, the world’s largest coral reef ecosystem and one of its most biodiverse, is under significant threat from climate change and should be placed on a list of world heritage sites in danger, a United Nations-backed mission has recommended."