Global Warming: Official Report Shows Climate Change is Human-Caused (Infographic)

Infographics
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Charts and maps from the National Climate Assessment report.
The U.S. National Climate Assessment shows that summers are getting hotter, heat waves are lasting longer, and weather is getting more extreme. (Image credit: By Karl Tate, Infographics Artist)

Released in May, 2014, the 840-page U.S. National Climate Assessment report was created by a team of 300 experts, led by a 60-person advisory committee. The report found that evidence of human-induced climate change is strong. Consistent with changes in climate trends, summers are getting hotter and extended periods of excessive heat last longer than in living human memory. Rain is heavier, and allergies are worse than before.

All the indicators expected to increase in a warming world are found to be increasing. Indicators expected to decrease are in fact decreasing. Only with the inclusion of human influences can models reproduce the observed temperature changes. 

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Karl Tate
Karl Tate
LiveScience Infographic Artist
Karl has been Purch's infographics specialist across all editorial properties since 2010.  Before joining Purch, Karl spent 11 years at the New York headquarters of The Associated Press, creating news graphics for use around the world in newspapers and on the web.  He has a degree in graphic design from Louisiana State University.