Threatened Planet

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Our planet is facing some of the most serious environmental problems since life began. Threatened Planet highlights these problems and demystifies terms like the greenhouse effect, the ozone layer, acid rain and deforestation. Stunning Discovery artwork and simple text clearly show how we can save some of the Earth's most treasured features and help preserve our fragile planet.Includes an eight-page foldout showing the dangers facing the Earth and the many ways we can save resources through direct action.