Marred by pollution and confronted with disappearing habitats, the planet increasingly has become victim to the consequences of human activity. As extinction, global warming, and other factors threaten every organism?including humans?measures are being taken to conserve Earth's resources and protect its many life forms. By carefully examining the greatest threats to the planet and the steps being taken to mitigate their harmful effects, these volumes will challenge readers to thoughtfully consider their own attitudes toward and treatment of the environment.
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