Cleaning up from one of the largest wildfire disasters in recent history takes a while. The first phase of the cleanup around Los Angeles involved removing truckloads of hazardous household stuff, ...

In a rural pocket of western Pennsylvania, along the leafy banks of Sewickley Creek, a small, jagged pipe juts just above the waterline, its cement casing carpeted in moss. The pipe releases treated ...

Read Part I of this story here. YUKON, Pa.—When government inspectors arrived at the hazardous waste landfill here in 2023, they found themselves in a barren and alien landscape carved from western ...

Pennsylvania is still cleaning up decades’ worth of coal mining pollution. Now it must also contend with millions of tons of ...