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the 5th largest continent on Earth; also the highest, driest, and coldest continent

Rachel Carson

1907 - 1964 American scientist who wrote SILENT SPRING, warning of the harmful effects of pesticides on the environment

global warming

a gradual increase in the temperature of Earth's surface

carbon dioxide

a gas produced by the burning of gasoline

greenhouse effect

the proccess by which carbon dioxide in Earth's atmosphere traps heat from the sun, raising the temperature of Earth's surface


a chemical that is used to kill insects or other pests


a person who tries to solve environmental problems

endangered species

an animal or plant that is in danger of dying completely


the clearing of land, which causes lost of forests and less fertile land


the drying up of land along a desert


the process of making the environment dirty

Environmantal Protection Agency

a US agency that watches the env

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