Chapter 21: Water Pollution. Sustainably Managing a Renewable Resource. FIGURE CO: Water pollution in rich and poor countries of the world affects our health and economy. © Rubberball/Alamy Images. Point and Nonpoint Sources.
Sustainably Managing a Renewable Resource
© Rubberball/Alamy Images
Courtesy of U.S. Environmental Protection Agency, Great Lakes National Program
FIGURE 7: Cryptosporidium, an infectious waterborne protist that can cause diarrhea in humans
Fecal coliform bacteria
© A. B. Dowsett/Photo Researchers, Inc.
Sources: factories, homes, farms, lawns, and gardens.
into them directly
from the lands and
them by rivers
An oil-covered duck
Courtesy of John S. Lough/Exxon Valdez Oil Spill Trustee Council
Data courtesy of International Tanker Owners Pollution Federation Ltd., ITOPF
A young hawksbill sea turtle is caught in a plastic fishing net
© Jeff Rotman/Alamy Images
Trash on Imperial Beach, California
© T. O’Keefe/PhotoLink/Photodisc/Getty Images
FIGURE 15: Sewage treatment plant
© Graham Prentice/Dreamstime.com
© John Sohlden/Visuals Unlimited