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This policy brief examines the implications of the International Court of Justice (ICJ) advisory opinion on climate change for multilateral environmental agreements (MEAs), emphasizing that states must now implement climate provisions in an integrated and systemic manner to ensure compliance with international law.

This policy brief by the Center for International Environmental Law discusses the role of implementation and compliance mechanisms in Multilateral Environmental Agreements (MEAs) to provide recommendations for the negotiation of a plastics treaty.

This briefing from the Center for International Environmental Law clarifies the distinctions and complementarities between national implementation plans (NIPs), national action plans (NAPs), and nationally determined contributions (NDCs) within the context of multilateral environmental agreements, specifically providing recommendations for a future plastics treaty.

This research paper, published in November 1999 by WWF-World Wide Fund for Nature and authored by experts from the Center for International Environmental Law (CIEL), examines the conflict between World Trade Organization (WTO) rules and trade measures used in Multilateral Environmental Agreements (MEAs). The authors argue that uncertainty regarding WTO consistency is used by some nations to 'chill' the development of effective environmental laws, specifically citing the Biosafety Protocol and the POPs Agreement. The paper recommends that WTO members adopt a political statement of consistency and negotiate a separate agreement to grant MEAs equal status with WTO rules.