This RiverVenture module focuses on the estuary, the point where fresh water meets salt water, and problems that pollution causes for creatures in this environment.
Estuary | RiverVenture
Estuary | RiverVenture


RiverVenture needs your help! Riverventure Headquarters has heard reports of problems in the estuary. A sign warns people not to collect or eat shellfish such as oysters and clams. People are testing...