In-Sync, Out-of-Sync Cities and their States: An Examination of Subnational Climate Change Policy in the Northwest States of Washington and Idaho

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Despite the urgent need to reduce global greenhouse gas emissions (GHGs), there has been a lack of national climate action leadership in the United States. In this vacuum, the need for subnational action, particularly at the local level, has become

Despite the urgent need to reduce global greenhouse gas emissions (GHGs), there has been a lack of national climate action leadership in the United States. In this vacuum, the need for subnational action, particularly at the local level, has become essential. But cities only have the authority granted them by their state. Thus, many cities thus take climate action consistent, or in-sync, with their state. However, other cities take climate action inconsistent, or out-of-sync, with their state. This study examines this in-sync, out-of-sync phenomenon using a multilevel, multiple case study approach to determine the multilevel dynamics influencing whether a city is taking climate action. The study compares two states at opposite ends of the climate mitigation spectrum—Idaho, a state not taking any mitigation action, and Washington, a state taking aggressive mitigation action—and two cities within each of these states, with one city in-sync and the other out-of-sync with its state on climate action. The results show ideology/political affiliation as the most significant factor influencing state and city climate policy: progressive leaning cities/state are engaging in climate mitigation action; conservative leaning cities/state are not. This result was expected, but the study revealed many nuances that were not. For example, the strength of a city’s ideological leaning can overcome disabling state authority. Ideological leaning impacts whether non-state actors are a driver or barrier to climate action. Policy experimentation is found only in progressive cities. Co-benefits manifest in different ways, depending on ideological leaning and whether a city is in- or out-of-sync. And policy champion influence can be fully realized only with supportive elected leadership. This study highlights important interplays between drivers and barriers cities face in addressing climate change in a multilevel setting; how those interplays can help or hinder municipal climate action; and strategies cities employ to address challenges they face. The study findings thus contribute to the understanding of why and how cities take climate action, and how barriers to action can be overcome. This understanding is essential for providing a path forward on municipal climate action and accelerating the reduction of municipal GHG emissions.