Groundwater: A Threatened Resource UNEP/GEMS Environment Library Series It is urgent that we protect our groundwater supplies with diligence and that everyone understands the importance of doing so. This publication is intended to explain to all readers how important groundwater is, the extent of the threat to it and the actions that can be taken to protect it. Book Ordering Information:    Sales Number: E. 96.III.D.83     No.15     Pages: 36pp.      Price: $10.00 [Environment Main] [Subject Index] [Alphabetical Index] [UN Publications Policies] Copyright © 1997 United Nations