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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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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Urban Water Conservation Policies in the United States

Cities face challenges on many fronts as they work to assure their residents of safe and reliable access to water. Changes in both supply and demand are driven by complex interactions among many human and natural factors, such as drought, infrastructure, population growth, and land-use. Climate change adds new complexities and uncertainties as cities plan for the future. In the past, challenges to water security were addressed by Promethean energy- and technology-intensive infrastructure projects, such as long-distance transfers, desalination, and artificial aquifer recharge; but in recent years, attention to soft approaches has grown. Soft approaches to water security focus on improving efficiency in obtaining and consuming water, and as John Fleck documented in his book, Water Is for Fighting Over, a number of cities have made impressive progress toward resilience and sustaniability.

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