Nature Conservancy

Md. Conference Focuses On Gravel Road Pollution The Nature Conservancy and the Maryland Department of Natural Resources are teaming up to reduce pollution from a source that gets little attention: gravel roads.
Susquehanna Sediment Focus Of New Chesapeake StudyBack-to-back late-summer storms dumped an estimated 4 million tons of Susquehanna River sediment into the Chesapeake Bay, threatening grasses, oysters and other ecologically important species.