Abstract
This chapter explores the challenges to governance arising from climate change in the Southern Ocean, focusing particularly on issues related to jurisdiction and competence of international instruments and regimes. It outlines the role and significance of the Southern Ocean for the world's climate system and identifies physical and biological impacts of climate change on this system arising from anthropogenic emissions of greenhouse gases, most notably CO 2 . The chapter provides an outline of existing governance arrangements in the Southern Ocean, recognizing the significance of the interplay between the Antarctic Treaty System and other instruments and regimes. A major question for this research has been assessing how regimes interact, and the analysis of the effects of multiple regimes. Climate change sharpens the focus on effectiveness of existing arrangements and opening up new and emergent issues, as well as enhancing the need for greater understanding of the scope and magnitude of change. Keywords: Antarctic treaty system; climate change; maritime jurisdiction; ocean governance; southern ocean; world's climate system
Published Version
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