Some people think pollution is a serious problem. Others disagree. Although gains have been made to reduce pollution over the past forty years, we must remain vigilant in our pursuit of a clean, healthy environment.
Published/Released: October 2004
ISBN 13: 9780737715637
ISBN 10: 0737715634
DDC: 363.73
Product number: 186231
Page count: 48
Shipping Weight: 0.22 lbs (0.10 kgs)
Price: US $29.15
(20% Discount for Schools and Libraries in the U.S. and Canada)