Environmental Issues

Human Overpopulation

How to share and renew resources

Energy Conservation
Managing waste
Managing populations
Loss of fertile lands (desertification, topsoil loss)

Loss of Biodiversity (Extinctions)

Urban Sprawl
Endangered Species Act
Illegal Animal Trade
Exotic (Invasive) Species

Global Warming / Climate Change

Greenhouse Gases
How are temperatures measured?
How can we respond to changing temperatures?

Air Pollution / Water Pollution

Acid Rain
Clean Air Act
Nitrification of Lakes (Runoff)
Sources of Clean Water
Ozone hole (Chloroflourocarbons)
Toxins in the environment (DDT) & biological magnification