Construction equipment lays a pipeline in an opn field.
MarkWest horizontal directional drilling at its pipeline in Washington County. Image: PA DEP / MarkWest

Episode for March 6, 2026

Young people in Pittsburgh are practicing climate action close to home. An oil and gas company let over a million gallons of drilling fluid escape underground into an abandoned mine during pipeline construction in Washington County. Pennsylvania agencies are teaming up with a nonprofit to study ways to modernize the electric grid. An invasive species came to North America just when the United States was forming. Why Thomas Jefferson was obsessed with the Hessian fly.

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