The Environment in Focus
Brent Walls has dedicated his life to stopping water pollution in Western Maryland. He’s worked for the last 11 years as the Upper Potomac Riverkeeper, an advocate with a nonprofit organization, the Potomac Riverkeeper Network.
The Environment in Focus
Sailor Turned Sleuth Investigating Polluters in Potomac River
0:00 0:00/ 0:00
0:00/ 0:00