Sociopolitical Feedbacks and Climate Change

56 Pages Posted: 21 Mar 2019

See all articles by Peter Howard

Peter Howard

New York University (NYU) - Institute for Policy Integrity

Michael A. Livermore

University of Virginia School of Law

Date Written: March 6, 2019


The Article investigates sociopolitical feedbacks in the economy-climate system. These feedbacks occur when climate change affects the social or political processes that determine mitigation or adaptation levels, which in turn affect future climate damages. We discuss two possible feedbacks: an economic disruption pathway and a political disruption pathway. In both, climate damages earlier in time undermine mitigation and adaptation policies, which exacerbates future climate damages. Using data on participation in multilateral environmental agreements, we explore the political disruption pathway. Coupled with prior work demonstrating the potential for climate damages to exacerbate civil conflict, our empirical analysis indicates that climate-induced political disruptions may impede climate policymaking, increasing the threat of future damages. We estimate how feedbacks of this sort affect predictions of temperature change and damages in the Dynamic Integrated Climate Economy (DICE) model. We find that, especially if feedbacks affect participation in international emissions reduction efforts, anticipated temperature change and damages are substantially higher than currently estimated. Finally, we discuss how policymakers can respond to the existence of these feedbacks, especially by facilitating the resilience of climate policies and governance to climate related shocks.

Keywords: climate change, social cost of carbon, environmental conflict

Suggested Citation

Howard, Peter and Livermore, Michael A., Sociopolitical Feedbacks and Climate Change (March 6, 2019). Harvard Environmental Law Review, Vol. 43, No. 1, 2019, Available at SSRN:

Peter Howard

New York University (NYU) - Institute for Policy Integrity ( email )

Wilf Hall
139 MacDougal Street
New York, NY 10012
United States

Michael A. Livermore (Contact Author)

University of Virginia School of Law ( email )

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