Freedman, Jeri.

Climate change : human effects on the nitrogen cycle / Jeri Freedman. - 1st ed. - New York : Rosen Pub. Group, 2007. - 64 p. : col. ill. ; 24 cm. - Extreme environmental threats .

Includes bibliographical references and index.

The end of life as we know it? -- We are changing the world -- The nitrogen cycle and global warming -- Understanding what's really happening -- The future is in our hands.

ISBN: 1404207449 (lib. bdg.)

LCCN: 2006000164

Subjects--Topical Terms:
Nitrogen cycle.
Global warming.
Nature--Effect of human beings on.

LC Class. No.: QH344 / .F74 2007

Dewey Class. No.: 577.27/6