Susan Scott Peterson

Many local organic farmers had their best season ever in 2020. But with this year’s inflation at its highest since 1990, farms are facing uncertainty in 2022 as they grapple with rising costs of farming inputs like fertilizer, seed, propane and greenhouse plastic.

As driving has gotten more dangerous, the city has seen an unmeetable demand for traffic-calming installations.

New CDC guidance means a big increase in the number of Allegheny County kids whose blood levels are considered elevated.

Under the contract, The Efficiency Network will replace the city’s 35,000 existing streetlights with LED fixtures. The city will also add 15,000 new streetlights to neighborhoods where less than 85 percent of the area is illuminated by streetlights.

The facility houses laboratory space where scientists can pilot different water treatments to remove a group of chemicals known as PFAS.

Environmental advocacy nonprofit PennEnvironment released a letter Wednesday signed by 100 Pittsburgh businesses and organizations in support of a plastic bag ban, an ordinance expected to come before City Council later this fall.

Pittsburgh is piloting “smart loading zones,” which use pole-mounted video cameras, machine learning, a short-term fee structure and an app to help drivers get in and out of loading zones more efficiently.

Many Downtown workers have not gone back to the office yet. But energy use in office buildings has stayed close to pre-pandemic levels.

The company plans to go public later this year.

Pittsburgh's sewer system was built in the 1800s for a much smaller city, and it's notorious for overflowing. But there's a new way to capture stormwater, hidden beneath the green grass of two new parks.