With a biome-by-biome structure that mirrors Mother Nature's own design, Our EARTH MATTERS is a celebration of our fragile Earth, a warning to protect it, and an inspiring source book full of ideas for making a positive change. The book begins with a brief history of our planet's birth and development, revealing how an astonishingly unlikely series of accidents made Earth the only planet in the universe known to be suitable for life. As life flourished and spread, it changed the planet and created the "biosphere."
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