This paper reviews “right-to-know” acts and examines the policy and methods used to implement them. It introduces two of the better known right-to-know schemes, the United States Emergency Planning and Community Right-to-Know Act (EPCRA)1 and the European Community’s *100 Seveso Directive.2 It surveys other international and domestic right-to-know strategies and then discusses two major approaches to right-to-know legislation using EPCRA and the Seveso Directive as examples of documenting divergent approaches to risk communication. The paper, in closing, introduces Principle 10 of the Rio Declaration,3 which calls for the development and implementation of right-to-know legislation throughout the international community. It then discusses the importance of right-to-know legislation in the preservation of the global environment. After comparing the relative merits of both types of right-to-know programs, the paper concludes by recommending countries combine the elements of both American and European strategies in developing a strong and effective right-to-know program.
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