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Nonpoint Source Pollution: a NOAA Ocean Service tutorial

NOAA's National Ocean Service tutorial, a lesson a page, in order.

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Nutrients
Versão: 1CC0 1.0 — public domain
Nutrients
Suspended Sediments
Versão: 1CC0 1.0 — public domain
Suspended Sediments
Pesticides and Toxic Chemicals
Versão: 1CC0 1.0 — public domain
Pesticides and Toxic Chemicals
Bacteria, Viruses, and Trash
Versão: 1CC0 1.0 — public domain
Bacteria, Viruses, and Trash
Controlling Nonpoint Source Pollution
Versão: 1CC0 1.0 — public domain
Controlling Nonpoint Source Pollution
What You Can Do
Versão: 1CC0 1.0 — public domain
What You Can Do
Point Source
Versão: 1CC0 1.0 — public domain
The U.S. Environmental Protection Agency (EPA) defines point source pollution as “any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory smokestack.” Factories and sewage treatment plants are two common types of point sources. Factori
Nonpoint Source
Versão: 1CC0 1.0 — public domain
Nonpoint Source
Urban and Suburban Areas
Versão: 1CC0 1.0 — public domain
Urban and Suburban Areas
Agricultural Operations
Versão: 1CC0 1.0 — public domain
Agricultural operations account for a large percentage of nonpoint source pollution in the United States. According to the Census of Agriculture, approximately 940 million acres of farmland existed in the United States in 2002. While the vast breadth of this land provides space for farming — an indu
Forestry and Mining Operations
Versão: 1CC0 1.0 — public domain
Forestry and Mining Operations

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