Swim for the river

Special features (50 min.): Forever wild - loggers and the Adirondacks (4:26) ; Mohicans are still here - The Native American river (4:27) ; Everything's connected - The watershed (2:00) ; Invasive species - Bivalves that ate the Hudson (4:21) ; Bird banding - Birds at Constitution Marsh (2:06) ; Cleaning up PCBs - PCBs, GE and dredging (8:24) ; Nowhere to run - Indian Point Nuclear Power Plant (8:17) ; A creek in Brooklyn - Cleaning up the dirtiest waterway (9:07) ; Tipping point - Small things make a difference (6:14).