00880cam a2200253 a 450000100090000000300040000900500170001300800410003001000170007102000180008804000130010604300120011905000210013110000210015224501000017325000120027326000550028530000800034050400660042065000270048665000380051365000470055170000280059815935224OSt20230621113141.0091007s2009 oncab b 001 0 eng  a 2009502863 a9780195428650 aDLCcDLC an-cn---00aGF511b.D43 20051 aDearden, Philip.10aEnvironmental change and challenge :ba Canadian perspective /cPhilip Dearden, Bruce Mitchell. a2nd ed. aDon Mills, Ont. :bOxford University Press,c2005. axv, 624 p. :bill. (chiefly col.), col. maps ;c28 cm. +e1 DVD (4 3/4 in.) aIncludes bibliographical references (p. [610]-618) and index. 0aHuman ecologyzCanada. 0aEnvironmental protectionzCanada. 0aNaturexEffect of human beings onzCanada.1 aMitchell, Bruce,d1944-