How the latest news about a new soot standard, a settlement with U.S. Steel and EPA's rejection of the company's air permit could impact Pittsburgh's air.
A year after a major methane leak from an underground storage reservoir in western Pennsylvania, a new study identifies potentially thousands of similarly risky wells across the U.S.
The Department of Treasury’s new proposed rules for tax credits for "clean hydrogen" could be a boon for boosting the nascent clean energy industry. But some say they are too strict.
While wind and solar are cost-effective, local opposition, lack of transmission lines and land use restrictions are slowing down renewable development.
A proposed update to a federal rule and a bill in Pennsylvania could go a long way to prevent children's exposure to lead which impacts their IQ and wellbeing.