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Explore the scientific skepticism around global warming as Contoski delves into climate change trends, historical data, and the impact of manmade emissions on the environment. Uncover the role of natural factors, like water vapor, in the greenhouse effect, and learn about the benefits and drawbacks of a warmer climate on agriculture and plant life. Challenge your understanding of carbon dioxide levels and their influence on past climate shifts. Discover a thought-provoking perspective on the complexities of global warming debates.
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1-Contoski asserts that global warming is scientifically unproven • 2-and that the facts reveal that the earth periodically experiences changing climates • 3-Manmade emissions of carbon dioxide were not significant before worldwide industrialization began in the 1940s. • 4-The overwhelming majority (97%) of carbon dioxide in the earth's atmosphere comes from nature, not from man. • 5-A warmer climate would mean longer growing seasons and would make agriculture possible in areas where it isn't today.
6-And there are at least 300 studies showing plants and forests grow faster and more luxuriantly under conditions of increased carbon dioxide • 7-Our bodies require heat. • 8-In the last 1.6 million years there have been 63 alternations between warm and cold climates, and no indication that any of them were caused by changes in carbon dioxide levels. • 9-Water vapor is a strong greenhouse gas and accounts for at least 95% of any greenhouse effect. • 10-Carbon dioxide accounts for only about 3%, with the remainder due to methane and several other gases.
