GeoScienceWorld (GSW) is a nonprofit collaborative and comprehensive Internet resource for research and communications in the earth sciences, which is built on a core database of peer-reviewed journals and is integrated with the GeoRef abstract and index service. The organization gives global researchers a single point of access to 45 full-text scholarly journals plus specialized searching capabilities and links to millions of relevant resources hosted elsewhere on the Web. (http://www.geoscienceworld.org/site/misc/about.xhtml)