In the documentary "The Fall of the Republic" narrator Alex Jones states that CO2 has no negative effect on the environment and that it does not effect climate change. However I have found some websites that disagree with this statement. An article co-written by Ken Caldeira states that "trees and other plants help keep the planet cool, but rising levels of carbon dioxide in the atmosphere are turning down this global air conditioner. According to a study by researchers in the Carnegie Institute for Science, in some regions more than a quarter of the warming from increased carbon dioxide is due to its direct impact on vegetation." The article continues to talk about the issue, and there were other sites that said things similar to this. However, I figured this quote would be enough, because who would you rather believe... Radio host Alex Jones? Or the Carnegie Institute for Science?
http://www.sciencedaily.com/releases/2010/05/100503161435.htm
(Link to see the article about Carbon Dioxide)
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