This paper examines the impact of state-level climate policies in the US (2000-2020) on energy systems and economies. Using a novel climate policy index derived from 25 individual policies via Bayesian factor analysis, the study finds a positive correlation between stronger climate policies and reduced per-capita CO2 emissions (5% reduction in electricity sector, 2% economy-wide). No negative economic consequences were observed. However, current state efforts are deemed insufficient to meet the Paris Agreement goals.
Publisher
Nature Communications
Published On
Aug 10, 2023
Authors
Parrish Bergquist, Christopher Warshaw
Tags
climate policies
CO2 emissions
energy systems
economy
state-level
Paris Agreement
Bayesian factor analysis
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