Climate Mobilization is a far-left environmental advocacy group that promotes the idea of using a declaration of “climate emergency” to end all climate change, in a similar manner to World War II. Climate Mobilization has opposed the use of zero carbon nuclear energy. ¹

Opposition to Nuclear Energy

In May of 2021, Climate Mobilization was one of 715 groups and businesses listed as a co-signer on a letter to the leadership of the U.S. House and Senate that referred to nuclear energy as a “dirty” form of energy production and a “significant” source of pollution. The letter asked federal lawmakers to reduce carbon emissions by creating a “renewable electricity standard” that promoted production of weather dependent power sources such as wind turbines and solar panels, but did not promote low carbon natural gas and zero carbon nuclear energy. ¹

Nuclear power plants produce no carbon dioxide or other greenhouse gas emissions, and as of 2021 accounted for 19 percent of American electricity production—the largest source of zero carbon electricity in the United States. ² An October 2018 proposal from The Nature Conservancy noted that zero-carbon nuclear plants produced 7.8 percent of total world energy output and recommended reducing carbon emissions by increasing nuclear capacity to 33 percent of total world energy output. ³

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1. Letter from Center for Biological Diversity et. al. to U.S. Senate Majority Leader Chuck Schumer, U.S. House Speaker Nancy Pelosi, Sen. Joe Manchin, and Rep. Frank Pallone. “RE: CONGRESS SHOULD ENACT A FEDERAL RENEWABLE ELECTRICITY STANDARD AND REJECT GAS AND FALSE SOLUTIONS.” May 12, 2021. Accessed July 25, 2023. https://www.biologicaldiversity.org/programs/energy-justice/pdfs/2021-5-12_600-Group-Letter-for-RES.pdf?_gl=1*1c9h3t8*_gcl_au*MTc3NjM3MTM1Mi4xNjg5OTU1MzAz
2. “Nuclear explained.” U.S. Energy Information Administration. Accessed July 25, 2023. https://www.eia.gov/energyexplained/nuclear/us-nuclear-industry.php
3. “The Science of Sustainability.” The Nature Conservancy. October 13, 2018. Accessed July 25, 2023. https://www.nature.org/en-us/what-we-do/our-insights/perspectives/the-science-of-sustainability/