Litigating climate change through international law: Obligations strategy and rights strategy

Abstract Litigation has presented itself as a serious means to vindicate normative commitments about climate change by forcing governments to review their policy priorities. Today, the use of such litigation is not limited to the domestic arena. International law now provides the new principal avenue for such litigation. Two litigation strategies stand out: obligations strategy and rights strategy. Obligations strategy consists of bestowing an erga omnes character to existing obligations regarding the protection of the global environment, thereby providing standing for a non-injured party before international courts. Rights strategy, on the other hand, significantly increases in practice. It consists in the invocation, before national and international courts, of remedies for environmental damages through the legal categories of human rights law. This article sheds light on the potential and limits of these litigation strategies in international law. The argument builds on the specific evolution in the legal architecture of international obligations under the United Nations Framework Convention on Climate Change (UNFCCC). The current structure of the UNFCCC now makes it substantially impossible to bring a claim against individual states regarding their specific measures against climate change. The article, by referring to the history of drafting which produced the specific structure, questions the ability of these litigation strategies to remedy the lack of international consensus and to accommodate the technical intricacy of how to turn normative commitments into actual action for climate change.