The eastern massasauga is a small venomous rattlesnake found in the northeastern United States. Populations of this snake have declined so much that it is now necessary to work to conserve it or it could go extinct in the future.
Marine pollution overview. Find out what the major causes of marine pollution are, such as antifouling paints, detergents, garbage, noise and sewage, and what you can do to protect our coastal environment in Western Australia.ind out what the major causes of marine pollution are, such as antifouling paints, detergents, garbage, noise and sewage, and what you can do to protect our coastal environment in Western Australia.
Much of this runoff flows to the sea, carrying with it agricultural fertilizers and pesticides. Eighty percent of pollution to the marine environment comes from the land. One of the biggest sources is called nonpoint source pollution, which occurs as a result of runoff.onpoint source pollution can make river and ocean water unsafe for humans and wildlife. In some areas, this pollution is so bad that it causes beaches to be closed after rainstorms. More than one-third of the shellfish-growing waters of the United States are adversely affected by coastal pollution.