The Geodata Policy Blog is intended to provide a source of news on public policy challenges that emerge as science and technology advances, with a focus on participatory, mapping and sensing technologies. It is produced by Lea Shanley who is the Director of the Commons Lab within the Science and Technology Innovation Program, Woodrow Wilson International Center for Scholars, in Washington, DC. Click here to go to directly to a page titled Building a National Spatial Data Infrastructure 2.0 that contains many valuable links on the NSDI.