Where Does Pollution Come From? (Clever Calvin)
By C. Vance Cast.
Description
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. - from Amzon
ISBN(s)
0812015711, 9780812015713
