The Mississippi shimmies across the Alluvial Plain

Research Blog | December 30, 2013

Robert Krulwich for NPR writes about cartographer Harold Fisk’s visualization of the river’s historical paths here.     This is a map of the Lower Mississippi’s evolving floodplains, lifted from cartographer Harold Fisk’s 1944 report, Geological Investigation of the Alluvial Valley of the Lower Mississippi River. You can download the report in its entirety, including numerous…


tsunami in japan

Research Blog | August 13, 2013


water + oil

Research Blog | November 8, 2009

In 2007, some 200 billion liters of bottled water were sold worldwide, and Americans took the biggest gulp: 33 billion liters a year, an average of 110 liters per person. That amount has grown 70% since 2001, and bottled water has now surpassed milk and beer in sales. Many environmental groups have been concerned with…