"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."

"Communities around the world emitted more carbon dioxide in 2022 than in any other year on records dating to 1900, a result of air travel rebounding from the pandemic and more cities turning to coal as a low-cost source of power."

"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."

"On Thursday, the U.S. Environmental Protection Agency ordered rail operator Norfolk Southern to begin testing for dioxins."

"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."

"A settlement between environmental groups and the U.S. Environmental Protection Agency could for the first time impose regulations on hundreds of coal ash sites nationwide that are not covered by 2015 federal coal ash rules."