Study

This 2-credit seminar will examine global climate change and the range of actual and potential responses by legal institutions – including at the international level, within the United States and other countries (such as Europe, China, and others), at the subnational level, and at the urging of the private sector.

We will compare alternative approaches that have been or could be taken by legal systems to address climate change: the choice of policy instrument (e.g., emissions taxes, allowance trading, infrastructure programs, technology R&D, information disclosure, prescriptive regulation, carbon capture & storage, reducing deforestation, geoengineering, adaptation);  the spatial scale; the targets of the policy and criteria for deciding among these policy choices.  We will examine actual legal measures that have been adopted so far to manage climate change:  international agreements such as the Framework Convention on Climate Change (1992), its Kyoto Protocol (1997) and Paris Agreement (2015), plus related agreements like the Kigali Amendment (on HFCs) and ICAO (aviation) and IMO (shipping); as well as the policies undertaken by key national and subnational systems.  In the US, we will study national (federal) and subnational (state and local) policies, including EPA regulation under the Clean Air Act, other federal laws and policies relevant to climate change mitigation, state-level action by California, RGGI states, and North Carolina. We will also explore litigation involving tort/nuisance civil liability and the public trust doctrine to advance climate policy.

Questions we will discuss include:  How effective and efficient are the policies being proposed and adopted? What actions are being taken at the local, national and international levels, and which reinforce or conflict with one another?  Can current institutions and legal frameworks deal with a problem as enormous, complex, long-term, uncertain, and multi-faceted as climate change?  What roles do scientific research, technological breakthroughs, and economic realities play in shaping legal responses?  How should the legal system learn from new information over time? How should we appraise the United Nations climate negotiations, and are there other models for international cooperation?  How should principles of equity, just transitions, and intergenerational justice guide efforts to address climate change? Should greenhouse gas emitters (countries, businesses, consumers) be directly liable or responsible for climate change impacts and compensate victims for their losses?  What is the best mix of mitigation and adaptation policies?  How will climate policy be influenced by geopolitical changes such as the rise of China?  How should the law address extreme catastrophic risk?  How should geoengineering be governed? What is the best path for future climate policy? 

Students must read the assigned materials in advance of class, and participate in class discussion. Each student will submit short papers during the semester (probably three papers of ~5 pp. each), and a longer research paper (probably ~15 pp.) due at the end of the semester, totaling ~30 pages of writing for the 2-credit course. Grades will be based on: 30% class participation, 30% the short papers, and 40% the longer paper. This course is cross-listed as Environ 502; graduate/professional students outside the Law School (e.g. MEM, MPP, Master’s in Science & Society, PhD, etc.) should enroll via Environ 502.  The Law School does not use “permission numbers” – contact the registrar for assistance in enrolling.

Spring 2026

Course Number	Course Credits	Evaluation Method	Instructor
520.01	2	Reflective Writing Research and/or analytical paper(s), 5-10 pages Research and/or analytical paper(s), 15 pages In-class exercise Class participation	Jonathan B. Wiener
Canvas site: https://canvas.duke.edu/courses/75049