Missouri Botanical Garden
Missouri Botanical Garden: Water Pollution
Water pollution occurs when a body of water is adversely affected due to the addition of large amounts of materials to the water. The sources of water pollution are categorized as being a point source or a non-source point of pollution....
BioEd Online
Bio Ed Online: Can Nutrients in Water Cause Harm?
Many different kinds of organisms live in water. Excess nutrients can cause over-abundant growth of some organisms living in water and non-point source pollution is a major threat to water supplies in the United States. In this lesson...
Other
North Carolina Department of Energy and Natural Resources: Pollution Solutions
Try to find at least eight things in the picture that could cause litter, waste, or other pollutants to end up in the storm drain and eventually flow into nearby lakes and streams. Includes a link to an interactive page of this activity....
Science Buddies
Science Buddies: Heavy Metals and Aquatic Environments
You might know that lead can be toxic, and that you can get lead poisoning from eating or inhaling old paint dust. Lead is called a heavy metal, and there are other sources of heavy metals that can be toxic, too. Silver, copper, mercury,...
US Environmental Protection Agency
Epa: Hypoxia 101
Explains what hypoxia is, its causes, the sources, why it is important to reduce it, and where it occurs around the world. Includes a diagram showing how hypoxia develops in a water body and links to lots of additional resources.
PBS
Pbs News Hour Extra: Tracking the Health Effects of Natural Disasters
Young scholars examine the impact of natural disasters, such as flooding, on public health, and study diseases and other secondary conditions associated with stagnant water. Lesson includes resources for students to research epidemics...
Mocomi & Anibrain Digital Technologies
Mocomi: Major Domains of the Earth Hydrosphere
Learn about the hydrosphere, the water cycle, the major threats to the hydrosphere, and environmental problems.