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Pollution is a very real problem. Its in the air, the water, on landand even in outer space. Acid rain caused by pollution is killing trees and poisoning bodies of water. Oil spills threaten animal habitats all over the world. The Pacific Ocean has a garbage pile in it the size of Texas! Through content that supports the science curriculum, readers learn the many problems pollution causes. Full-color photographs and informative sidebars show them the urgency of the problem while they discover ways they can help reduceand stoppollution.