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Perception of Climate Change (AKA “The New Climate Dice: Public Perception of Climate Change”)

By James Hansen, Makiko Sato, Reto Ruedy
National Aeronautics and Space Administration Goddard Institute for Space Studies and Columbia University Earth Institute
Published August 6, 2012

The recent research report by well-known climate researcher and climate change activist, James Hansen, and his research team, presents the increasingly concerning nature of climate change using visually convincing graphics and commonly understood mathematical analogies such as the bell curve and the predictability of “climate dice.” The Hansen report was motivated by the necessity “for the public to appreciate the significance of human-made global warming” in order to increase the likelihood that actions will be taken to reduce greenhouse gas emissions.

The Hansen team incorporated understanding of some of the barriers to public recognition of climate change in their research which was designed to be understood without knowledge of the causes of observed climate change or the role meteorological events. Report conclusions are based on empirical analysis of global observational temperature records collected over a base period of 1951 to 1980 and compared with data from the past two decades.

Research reports statistics show that recent extreme warm weather events are very likely the consequence of global warming, that there is an increased likelihood of occurrence of more frequent extreme summer temperatures, and further that there has been a shift toward increased frequency of higher summer temperatures than previously recorded. The report connects extreme temperature anomalies recorded in the US in Texas and Oklahoma in 2011 and in other parts of the world, such as Moscow in 2010, to global warming and discusses implications of these significant changing climate trends.

Original article-http://www.pnas.org/content/early/2012/07/30/1205276109.full.pdf+html?sid=c0497ea9-309a-48f3-9ed1-f815ae7907cf
Popular Science report write-up-http://www.columbia.edu/~jeh1/mailings/2012/20120803_DicePopSci.pdf
Nasa Research link with motion video graphics-http://www.giss.nasa.gov/research/news/20120806/

Wild fire photo by Gerald Vickers http://inciweb.org/incident/photograph/2989/18/

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