Caring for our people /
Greene, Carol.
Hillside, N.J., U.S.A. ; Aldershot : Enslow Publishers,
c1991.
Explains, in simple terms, why people are important, how pollutants and deforestation threaten human existence, and what children can do to take care of the earth.
Includes index.
Explains, in simple terms, why people are important, how pollutants and deforestation threaten human existence, and what children can do to take care of the earth.
Human ecology
Pollution
Nature conservation
Human ecology.
Pollution.
Conservation of natural resources.
Ecology.