While I agree that chemicals and manure are major problems contributing to Chesapeake Bay pollution, there are two additional concerns that should be addressed.
One is the pollution associated with power mowers, leaf blowers and edgers. Most or these gasoline engines have little or no pollution controls.
The second is the increasing population in the Chesapeake Bay watershed. During my lifetime, the population in Maryland has more than tripled, and homes and highways continue to reduce the efficiency of trees in cleansing the environment.
I live in the