The letter writer's contention that "carbon dioxide and the greenhouse effect are not significant drivers of global temperature " has the ring of truth ; particularly as it relates to the United States. Despite large increases in energy production, U.S. carbon dioxide emissions from energy have gone down from approximately 6 billion tons in 2005 to 5.27 billion tons in 2018. Energy related emissions are estimated to represent roughly three quarters of all greenhouse gas emissions.

Alas! I doubt these facts have any impact on those who promote the elimination of fossil fuel production.

Brad Adair


Disclaimer: As submitted to the Arizona Daily Star.

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