The first section of this document contains definitional papers prepared by three sections of the North American Association for Environmental Education (NAEE). They are: (1) "The Challenges of K-12 Environmental Education" (Harold Hungerford and Trudi Volk); (2) "'Environmental Studies': Towards a Definition" (Royal Harde); and (3) "Nonformal Environmental Education: An Overview and Methodology for Evaluation" (Edward McCrea and Glenn Weaver). The second section contains selected papers from the 1983 NAEE annual conference. They are: "An Incentive Approach to Riparian Lands Conservation: A Case of Study" (John Baldwin, Nancy Duhnkrack, and Paul Ciminello); "Forging an American Environmental Consciousness: The Historical Interplay of Technology, Politics, and Economics" (William Berberet); "Who's In Control? Development of a Perceived Environmental Control Measure" (Randall Champeau and R. Ben Peyton); "Children and Environmental Educators: Differing Views of the Urban Environment" (Augusto Medina); "A Study of the Relationship between Information and Attitude for Users and Non-Users of Computerized Water Resource Management Simulation" (Terrence Mills); "The Impact of Acidified Precipitation on Agricultural Crops" (G. Harry Stopp, Jr.); "What Do Teachers Want - In Order to Teach about a Current Environmental Issue: Acid Rain" (Harriett Stubbs); and "Merging at the Crossroads: New Vehicles for Environmental Education" (Charles Yaple). (JN)