"The regulator overseeing the energy industry in Alberta has kept the public in the dark for at least three years about a confidential list featuring hundreds of potentially dangerous sites contaminated by oil and gas development in the province, The Narwhal has learned."

"The EPA said Monday that it is proposing to close a prior “loophole” that allowed some companies to get out of reporting their releases of certain kinds of toxic chemicals."

"The first round of negotiations on a global plastics treaty ended on Friday with agreement to end plastic pollution but a split on whether goals and efforts should be global and mandatory, or voluntary and country-led."

"The Environmental Protection Agency on Thursday approved a nearly $700 million plan to remove all lead water pipes in the Denver region, saying the local water utility’s approach for reducing lead levels is succeeding and making swift progress. It’s a recognition that cities can effectively address the lead pipe crisis if they try."

"The canvassers are backed by the oil industry in its quest to stop a new law that bans wells near residential areas and imposes new environmental controls. If petition circulators succeed in gathering enough signatures, the law would be blocked until the 2024 election."

"Countries have begun to discuss a future global plastics treaty which would cut pollution, some hope entirely by 2040, at U.N. talks in Uruguay this week, with many states calling for curbs on plastic production as a way to reach that goal."

"The eruption of Hawaii’s Mauna Loa, the world’s largest active volcano, has interrupted a key site that monitors greenhouse gas concentrations in the atmosphere, officials said Tuesday."

"A landfill company based in Pittsburgh has applied for a permit to open the first hazardous waste landfill in the state of Pennsylvania, which some fear could threaten waterways and increase air pollution."

"As nations meet this week to negotiate an agreement on plastics pollution, researchers warn that a lack of information will make it hard to enforce any agreement."

"The chemical 6PPD, added to tires to prevent degradation, is causing a “complete breakdown of the blood brain barrier” in fish, a new study found."