The NPL Superfund Footprint Mapper is an interactive, online mapping application—a clickable map—that lets users visualize a rich variety of population and environment characteristics of areas in the vicinity of Superfund sites.
As Hurricane Irene barrels up the East Coast, the number of people affected is rising. Based on calculations at 2 pm on Saturday, more than 47 million people were within 100 miles of the storm track; and nearly 69 million within 200 miles, according to Columbia’s Center for International Earth Science Information Network(CIESIN). Visit CIESIN’s [...]
Terra Viva SEDAC Viewer, a map viewer and standalone software application, has been updated for 2011 with the addition of several new SEDAC data sets, including climate change scenario data and indicator collections with hundreds of variables. Terra Viva contains map data and GIS functions in one package. An excellent tool for educators, as well [...]