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It's a fact: Earth is warming up. Scientists have learned that air pollution and other human actions are causing Earth to heat up at an alarming rate. They call this heating global warming. All over the planet, towering glaciers are melting and shrinking. Sea level is rising, threatening to put coastal lands underwater. Earth's delicate balance of plants and animals is in danger. We must join together in the quest to slow and prevent global warming. with engaging text and eye-catching images--plus a special Going Green section--this book tells you all about global warming and what you can do to prevent it.