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The change is also evident to farmers and gardeners as the growing season for plants has moved steadily northward in the last several decades [15]. And, with more moisture in the atmosphere due to warming, precipitation events are getting more extreme both in Northern and tropical areas [15].
The evidence is clear, overwhelming, from multiple lines of evidence, and consistent worldwide as demonstrated in 150 years of scientific research.
14) Costello, Carol, and The Opinions Expressed in This Commentary Are Solely Those of Carol Costello. "Why Are We Still Debating Climate Change?" CNN. Cable News Network, 24 Feb. 2014. Web. 19 May 2014.
15 )Sinclair, Peter. "What We Know about Climate Change." YouTube. YouTube, 10 Feb. 2010. Web. 06 June 2014.
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