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ISBN: 9781552215746-11

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Purpose, Need, and Alternatives Through the Lens of Sustainability and the Public Interest


From: The Next Generation of Impact Assessment


This chapter focuses on four key Section 22 factors that inform IA processes for projects within federal jurisdiction that are designated for assessment under the Act: the purpose of the project, the need for the project, alternatives to the project, and alternative means of carrying out the project, which we sometimes abbreviate as purpose, need, and alternatives. The chapter shows how together these four factors play an essential role in the federal IA process, in particular with respect to the Act’s objective to achieve more sustainable outcomes.



Arlene Kwasniak