Earth Science

Groundwater Pollution and Depletion

About 25% of usable groundwater and 45% of municipal groundwater is polluted. More than 90% of wells in Florida have been closed down due to contamination.

Protecting Water from Pollution

Many developing countries lack resources for safe drinking water and tend to have greater incidences of water-borne diseases.

Water Pollution

Freshwater and ocean pollution affects the availability of safe water for humans and the environment. Water pollution kills millions of people in underdeveloped countries each year.

Safety of Water

Nearly one-fifth of the world population has no access to clean water.

Water Distribution

Studying diagrams for this topic will help you visualize the relative amounts of water.

Uses of Water

Think about how water is used in our daily lives. What are some ways we can turn consumptive into non-consumptive water?

Environmental Impacts of Mining

You can think of reclamation as the Earth’s way of reclaiming destroyed, mined land.

Preventing Hazardous Waste Problems

Currently, countries like the United States and China produce the most hazardous waste. The Superfund Act in the United States requires companies to clean up contaminated sites.

Hazardous Waste and Its Impacts

One drop of trichloroethylene can contaminate an Olympic swimming pool. Water with trichloroethylene can easily cause leukemia and other illnesses in children.

Avoiding Soil Loss

Think about the different ways of preserving soil. Is there anything you can do at home?

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