"Environmental Health"

any dirty or harmful substance in the environment

• pesticides

• pollution

• smog

• hazardous wastes

products used on crops to control insects and other pests

• pollution

• pesticides

• acid rain

• ozone layer

rain that is far more acidic than normal

• pollution

• acid rain

• ozone layer

• smog

a yellow-brown haze that forms when sunlight reacts with air pollution

• smog

• acid rain

• ozone layer

• pesticide

a shield that protects living things from ultraviolet radiation

• ozone layer

• smog

• greenhouse effect

• acid rain

the trapping of heat by carbon dioxide and other gases in the air

• greenhouse effect

• global warming

• pollution

• smog

a rise in the earth's temperatures

• global warming

• greenhouse effect

• smog

• ozone layer

huge pits where wastes are dumped and buried

• landfills

• ozone layer

• smog

• pesticides

human-made liquid or solid wastes that may endanger human health or the environment

• hazardous wastes

• pollution

• smog

• ozone layer

the governmental agency that is committed to protecting the environment

• Environmental Protection Agency (EPA)

• conservation

• precycling

• landfills