Almanac of Policy Issues: Comprehensive background information and links on major U.S. public policy issues, including education, the environment, crime, health policy, economic issues, social welfare, and foreign policy.
Hillwatch Think Tanks: Directory of Canadian and international public policy think tanks.
HILS: The Humanitarian Interest Links Site: Portal for professionals, volunteers, and others interested in humanitarian issues, with a focus on development and peace studies.
Idealist: Extensive directory of non-profit and volunteering resources and organizations.
Moving Ideas: A leading source for progressive news and public policy on the net.
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.