Siting a petrochemical hub in a city causes problems

Illustration by Shawn Hileman Philadelphia, We Have a Solution interview by Heather Shayne Blakeslee Matthew Tejada, a former clean air advocate in Houston, is now the director of the Office of Environmental Justice at the U.S. Environmental Protection Agency. Tejada spoke with Grid about his trajectory from community organizer to federal appointee, lessons learned along

5 mins read

CitiesAlive: Annual green roof and wall conference comes to Philadelphia

CitiesAlive, the only conference series in North America dedicated to green roof and wall industries, is in Philadelphia this week. This year’s four-day conference, “Restoring Urban Waters,” hosted by the industry association Green Roofs and the Pennsylvania Horticultural Society, will look at how green roofs and walls are part of Philadelphia’s plan to revitalize the

1 min read

Smart Water

Two Penn grads quench your thirst and address the global water crisis by danielle zimmerman
In Philadelphia, you can fill a glass with the flick of a faucet, or instantly run a warm bath to relax from a particularly rough day. But for people living in other parts of the world, those simple actions are still

2 mins read