The falcon fledglings living on top of the university's Cathedral of Learning left the nest earlier this month, but are likely to linger in Pittsburgh's Oakland neighborhood.
An event focused on interactive public art led a group to Turtle Cove along the Allegheny River. Participants collected trash and constructed sculptures.
Alcoa’s Western Australia division is one of the world's largest alumina producing operations. Some say its decades-old agreement puts drinking water at risk.