Hillwatch Think Tanks - Directory of Canadian and international public policy think tanks. - http://www.hillwatch.com/PPRC/Think_Tanks.aspx
FutureAustralia.net - Focused on social change and environmental activism. - http://www.futureaustralia.net/
The Homeless Search Engine - Database of homeless resources and organizations. Search by area or keywords. - http://www.sparesomechange.com/search/engine/
Norbert's Bookmarks for a Better World - Links on peace, human rights, social justice, the environment, military, conflict regions, women, education, religions, economy, and politics. - http://www.betterworldlinks.org
HILS: The Humanitarian Interest Links Site - Portal for professionals, volunteers, and others interested in humanitarian issues, with a focus on development and peace studies. - http://www.hils.org
Best Information on the Net: Hot Topics - List of resources organized by topic compiled by the librarians at St. Ambrose University. - http://library.sau.edu/bestinfo/Hot/hotindex.htm
Academic Freedom Links - Comprehensive listing of websites relating to social and political issues, sorted by category. - http://www.mathaba.net/www/
Political Information - Directory and search engine for politics, policy, and grass roots causes. - http://www.politicalinformation.com/links/Issues/
Idealist - Extensive directory of non-profit and volunteering resources and organizations. - http://www.idealist.org
Almanac of Policy Issues - Background information and links on U.S. public policy issues, including education, health, crime, the environment, foreign policy, and national security. - http://www.policyalmanac.org/