U.S. Steel agreed to find out where the oil is coming from and fix the problem. The company will also install cameras to monitor its discharge into the river.
Our investigation with Inside Climate News reveals the lack of oversight of drilling waste moving through Ohio landfills, potentially putting waterways at risk.
A company wants to open up a mine for metallurgical coal, used to make steel. But some residents are worried about mine subsidence and its impact on water quality.
Carnegie Mellon University’s CREATE Lab partnered with a nonprofit to build an animated map that shows how particle pollution spreads from 9,560 industrial sources in urban areas around the world.