dgCommunities – Knowledge Sharing and Collaboation Worldwide
http://topics.developmentgateway.org/

dgCommunities is a collaborative space for professionals working to reduce poverty and promote sustainable development worldwide. Share knowledge, tools, contacts, and more with members in 200 countries. Each online community is centered on specific themes and guided by experts in the field. Thousands of information resource links are included, plus valuable member services. This has been added to Knowledge Discovery Subject Tracer™ Information Blog. This has been added to Research Resources Subject Tracer™ Information Blog.