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ReVA Environmental Decision Toolkit
Human activities often place severe strains on the ecological systems of which we are an integral part. The impacts, however, are not uniformly distributed across landscapes and regions (defined here as a multi-state area). Better planning requires that we step back and get an overview of the environmental condition of our regions and how ecological resources are likely to change as a result of society's actions. EPA's Regional Vulnerability Assessment (ReVA) program is designed to produce the methods needed to understand a region's environmental quality and its spatial pattern. The objective is to assist decision makers in making more informed decisions and in estimating the large-scale changes that might result from their actions. This website includes a basic introduction to the environmental vulnerability assessment approach, and an overview of the ReVA tools and their applications.
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