"The EPA hit back against Texas and other states suing to vacate the agency’s new waters of the US rule, saying the states have sued to halt a rule that isn’t much different from the status quo."

"A coalition of environmental organizations on Monday announced a lawsuit against the Bureau of Ocean Management (BOEM), arguing the bureau’s sales of leases in the Gulf of Mexico were unlawful. In the lawsuit, plaintiffs argued BOEM’s plans to lease more than 70 million acres of Gulf waters for fossil fuel development are based on a “deeply flawed” environmental review."

"Canada's environment minister on Friday said he was "deeply concerned" about a leak of toxic tailings water from Imperial Oil's Kearl oil sands mine in northern Alberta that has been going on for months."

"The Biden administration on Friday said it would require states to report on cybersecurity threats in their audits of public water systems, a day after it released a broader plan to protect critical infrastructure against cyberattacks."

"For the first time, United Nations members have agreed on a unified treaty to protect biodiversity in the high seas, representing a turning point in a yearslong effort to bestow order on vast stretches of the planet where conservation has previously been hampered by a confusing patchwork of laws."

"Chronic coastal contamination from the Tijuana River can end up in the atmosphere as “sea spray aerosol” — spreading far beyond the San Diego County beaches where it has long polluted the water, a new study has found."

"The Environmental Protection Agency is expected to propose restrictions on harmful “forever chemicals” in drinking water after finding they are dangerous in amounts so small as to be undetectable. But experts say removing them will cost billions, a burden that will fall hardest on small communities with few resources."