The Weather Trap

January 12, 2014 9:45 am4 comments
Weather Channel producer Shawn Reynolds @WCL_Shawn tweeted this incredible photo taken by pilot Hank Cain of Chicago on 1.7.2014 during the "Polar Vortex."

Climate change is something that’s difficult to experience directly.  How many people can say, from personal experience, that it feels like the average temperature in your hometown, let alone the globe, has changed by a degree or two over the past century? Instead, people tend to try to detect climate […]

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The Basics of Extreme Weather and Global Warming

January 2, 2014 3:23 pm7 comments
Photo by NASA's Marshall Space Flight Center via Flickr (minimal cropping done)

An oft-heard statement is that the weather is getting more extreme because of global warming.  As opposed to, say, the benign, mild weather conditions associated with the Last Glacial Maximum 20,000 years ago. Many long-term records of extreme weather events are fraught with problems, usually involving changes in the way […]

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Letter to Fellow Physical Scientists by Dr. John Nielsen-Gammon

September 13, 2013 7:38 pm0 comments
Letter to Fellow Physical Scientists by Dr. John Nielsen-Gammon

I’m part of a new journalistic endeavor called the Climate Change National Forum (CCNF). The purpose of this web site is to provide a public forum wherein scientists can discuss the latest research on climate change and share and debate ideas on aspects of climate change especially relevant to policymaking. When the second […]

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