1834168
9780812015713
Calvin and his cat Mel start exploring the pollution problem after they see trash tossed on the highway froma passing car. They discover the dangers of solid waste, air, water and soil pollution, and even noise pollution. Finally Calvin and Mel help kids discover how pollution can be controlled.C. Vance Cast is the author of 'Where Does Pollution Come From? (Clever Calvin)' with ISBN 9780812015713 and ISBN 0812015711.
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