TY - BOOK AU - Jakab,Cheryl TI - Clean air and water T2 - Global issues SN - 9781420205435 U1 - 363.73 PY - 2007/// CY - South Yarra : PB - MacMillan, KW - Water KW - Pollution KW - Air KW - Environmental protection KW - Natural resources KW - Management KW - Water quality management KW - Air quality management KW - Conservation of natural resources ER -