"Lawmakers in Michigan have long fought tough pollution controls. But the toll of flooding, lost crops and damage to the Great Lakes appears to be changing minds."

"The Labor Department on Friday issued a proposed rule on exposure to silica dust, a compound linked to incurable respiratory issues and particularly affecting miners."

"Some companies are turning to technology to illuminate potential hazards in indoor air."

"As smoke from wildfires crosses state and international borders more frequently, tracking and studying it is increasingly important for shaping air quality and health measures around the world."

"The Environmental Protection Agency (EPA) said Tuesday it did not find discrimination by the state of Louisiana against Black residents who face high levels of air pollution, closing a probe into actions by state departments."

"The auto industry’s largest lobbying organization has come out against the Biden administration’s most ambitious climate change regulation, a proposed rule designed to ensure that two-thirds of new passenger cars sold in the United States are all-electric by 2032."

"Wildfires burning through large swathes of eastern and western Canada have released a record 160 million tonnes of carbon, the EU's Copernicus Atmospheric Monitoring Service said on Tuesday."

"As thick smoke from Canadian wildfires coated Chicago and the surrounding areas Tuesday, weather officials warned more bad air is expected Wednesday."

"A century ago, a well-ventilated building was considered good medicine. But by the time Covid-19 arrived, our buildings could barely breathe. How did that happen? And how do we let the fresh air back in?"