Conflict & Justice

G-20 protestors clash with police

The G-20 Summit gets under way this week as Pittsburgh opens its doors to leaders from 20 of the world's largest economic powers along with the legions of protesters. For more, we speak to Mackenzie Carpenter, reporter for the Pittsburgh Post-Gazette.

Expired Beverages

Next, if you've ever wondered what possible good could come of expired beer, an ethanol refinery in Ohio might have the answer. We take a tour of a plant where bio-fuel is made not from corn, but recycled booze.

Steel City Builds Green

The G-20 will discuss climate change in Pittsburgh, Pennsylvania, a seemingly unlikely host given its struggles to keep its economy growing and its air clean. But the city's recent clean-tech revitalization is showing the world you don't have to pollute t