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PRINTED FROM the OXFORD RESEARCH ENCYCLOPEDIA, INTERNATIONAL STUDIES ( (c) Oxford University Press USA, 2017. All Rights Reserved. Personal use only; commercial use is strictly prohibited (for details see Privacy Policy and Legal Notice).

date: 24 June 2018

Summary and Keywords

Over the course of the twenty-first century, international environmental cooperation has been spurred through various new international environmental institutions and programs, and a dramatic strengthening of international environmental law-making. With the burst of environmental treaty-making the corpus of international environmental law (IEL) has expanded to include significant international environmental agreements (IEAs) in the sphere of climate change, ozone layer depletion, biodiversity, and so on; as well as the recognition of important principles such as good neighborliness and the common heritage. IEAs function similarly to international treaties—indeed, the only difference between an IEA and other international treaties lies in the subject matter. IEAs function as the instrument for laying down the principles of international laws binding upon states was established by the 1815 Congress of Vienna. Over the years, IEAs have not simply increased in number, but have also undergone an evolution in their structural design. In the early 1930s, IEAs tended to be simple in terms of their requirements, vague in terms of their objectives, and utilitarian in their ethos for protecting the environment. With time, however, as environmental sciences evolved to incorporate new principles and concepts, the structure of IEAs has followed in tandem to incorporate the new understandings and the new concerns.

Keywords: international environmental cooperation, international environmental laws, international environmental agreements, IEL, IEAs, environmentalism

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