Actions by Households Play a Surprisingly Large and Cost-Effective Role in IRA/IIJA Emissions Reductions

Mariah Caballero, Mike Vandenbergh, Elodie Currier, and I have a paper analyzing the 2021 Infrastructure Investment and Jobs Act (IIJA) and the 2022 Inflation Reduction Act (IRA). These laws include incentives for households to take voluntary actions to reduce greenhouse gas emissions, such as buying electric cars and performing energy-efficiency home renovations. We found that these incentives account for only around 11% of spending, but the household actions they stimulate are expected to produce around 40% of total emissions reductions.

These results confirm previous studies which found that incentives for individuals and households to voluntarily adopt energy efficiency actions can make powerful contributions to climate and energy policy, and should be emphasized in future policy proposals.

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Improving Climate Change Mitigation Analysis

A major new paper in the journal One Earth from a collaboration between U.S. and European authors on the importance of incorporating behavioral, cultural, social, and political considerations into integrated assessment models of greenhouse gas emissions pathways, especially in the context of the IPCC process.

Abstract:

Limiting global warming to 2°C or less compared with pre-industrial temperatures will require unprecedented rates of decarbonization globally. The scale and scope of transformational change required across sectors and actors in society raises critical questions of feasibility. Much of the literature on mitigation pathways addresses technological and economic aspects of feasibility, but overlooks the behavioral, cultural, and social factors that affect theoretical and practical mitigation pathways. We present a tripartite framework that “unpacks”" the concept of mitigation pathways by distinguishing three factors that together determine actual mitigation: technical potential, initiative feasibility, and behavioral plasticity. The framework aims to integrate and streamline heterogeneous disciplinary research traditions toward a more comprehensive and transparent approach that will facilitate learning across disciplines and enable mitigation pathways to more fully reflect available knowledge. We offer three suggestions for integrating the tripartite framework into current research on climate change mitigation.

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A Framework for Assessing Private Climate Governance

Mike Vandenbergh and I have a new paper out, in the journal Energy Research & Social Science, on our three-part framework for assessing the impacts of private climate governance.

We discussed our three-part framework in previous writing, such as “Accounting for Political Feasibility”, “Beyond Gridlock”, and Beyond Politics. Here, we discuss some practical steps toward applying the framework to assessing the prospects and potential impacts of private climate governance and some of the research needs and priorities for using our framework more broadly.

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Short film on my Bangladesh research

A short film about my collaborative interdisciplinary research project in Bangladesh is featured at the AGU Cinema at the 2019 Fall Meeting of the American Geophysical Union, and is also available on YouTube. The film, by Andre Leroux, focuses on interdisciplinary research on the changing river systems of Bangladesh and the prospect of sustainably managing the delta in the face of climate change and sea-level rise.

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