Climate Change 2001:
Working Group II: Impacts, Adaptation and Vulnerability
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2.1. Introduction

In assessing impacts, vulnerability, and adaptation to climate change, a large array of methods and tools pertain to specific sectors, scales of analysis, and environmental and socioeconomic contexts. In this chapter, the term methods refers to the overall process of assessment, including tool selection and application; the term tools refers to the formulated means of assessment. It is not the intent of this chapter to comprehensively canvas this full array of methods and tools; clearly, such appraisal falls more properly within the purview of the individual chapters in this volume. The purpose of this chapter is to address several overarching methodological questions that transcend individual sectoral and regional concerns. In so doing, this chapter focuses on five related questions:



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