Photos and Graphs Illustrate Climate Change in the U.S.

The photo shows a discussion on climate change between a Sierra Club volunteer and a Minnesota State Fair visitor on Sept 3, 2007. Photos and graphs on air temperatures over time at U.S. climate stations, changes in timing of snowmelt runoff on rivers in the Midwest and changes in Great Lakes water levels can be viewed at http://picasaweb.google.com/npatnew