Since energy companies have been fracking, they've been trying to figure out the best way to deal with the chemical and mineral-laced water that gurgles out of the wells. Some of the wastewater is transported to Ohio where it is injected thousands of feet into the ground, and where it's been known to cause earthquakes. But a new company in thinks it can do better by building on an old technology.
Some large buildings in Pittsburgh already capture gray water, filter it and then use it for flushing toilets. But the county wants to clarify the rules on water recycling for homeowners.
Pennsylvania has hundreds of small dams that don't provide drinking water or flood control, so the state and conservation groups have been making a big push to remove them.
When 412 Food Rescue noticed a lot of smaller food donations were slipping through the cracks, they designed an app that makes it easy for volunteers to pitch in.
It does seem impossible that somebody is separating paper receipts from soda cans. But we can assure you, your recycling is getting sorted. And the whole system is pretty high-tech.
That fleet of Google Street View cars you see roaming Pittsburgh isn't just collecting images for Google Maps. Some cars are actually helping detect natural gas leaks under the city's streets.
