Scientists have known for a long time that even low levels of lead can cause neurological problems in children. But a new study shows those impacts may be felt for generations.
Back in the early 20th century, lead was considered the "Cadillac" of materials when it came to water pipes. And many cities are still dealing with the harmful impacts of lead's legacy.
Under the complex laws governing Great Lakes water, Pennsylvania will have veto power over whether a Wisconsin city can pull its drinking water from Lake Michigan.
Internet-of-things engineer Robert Blackwell says his idea to rig your toilet up to the internet could keep raw sewage out of Pittsburgh's Three Rivers.
Rob Walters isn't a vigilante. But he doesn't mind the term "P.I." And every week he's patrolling Pittsburgh's Three Rivers in a flat-bottom boat, just to make sure everything is as it should be.
