Political Science

How climate policy commitments influence energy systems and the economies of US states

P. Bergquist and C. Warshaw

Discover how state-level climate policies in the US from 2000 to 2020 can significantly impact energy systems and economies, leading to a decrease in CO2 emissions without negative economic effects. This insightful research was conducted by Parrish Bergquist and Christopher Warshaw.

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Playback language: English

Index

Abstract

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

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