Clean Elections (National)

• Public Campaign Action Fund
  

Corporate Money Watchdogs

• Media Transparency Excellent site following "...the money behind conservative media"
  

Global Heating

• Climate.org
• Climate Crises (An Inconvenient Truth)
• Environmental Defense
• Greenpeace USA
• NEW Global Dimming (BBC2 NOVA video, 49 minutes)
  
• National Environmental Trust (NET)
• Natural Resources Defense Council (NRDC)
• RealClimate
• SaveOurEnvironment.org
• Stop Global Warming
• The Pew Center on Global Climate Change
• THE CLIMATE CRISIS COALITION
• World View of Global Warming project

Election Integrity

• The Brad Blog
• Black Box Voting
• Solar Bus Election Justice Center 
• VotersUnite.org

Katrina-related

• The Recovery Divide Summary
  

Public Interest and Issue Campaigns

• People For the American Way (PFAW)
• Save the Internet

Reference & Research (includes general media sources, progressive think tanks and progressive action groups)

• The 14 Characteristics of Fascist Regimes Laurence W. Britt
• Constitution of the United States (PDF) 176KB
• Democracy for America (DFA)
  
• Dick & Don's Cabal
• TomPaine.com map of the players associated with the Cheney/Rumsfeld run-up to the Iraq invasion
• Exxon Secrets
• Fairness and Accuracy in Reporting (FAIR)
• FrameShop
• Frank Luntz Republican playbook (formats thanks to realtique, searchable HTML thanks to Political Strategy):
1. PDF (1.64mb)
2. Word 2003 (671kb)
3. RTF (908kb)
4. searchable HTML
• KNOWING THE ROOTS OF WAR: Analyses and Interpretation of Six Centuries of Warfare (Collected Papers) FRANK H. DENTON -- a remarkable statistical analysis of war concluding that 3 out of 4 times war fails to meet intended goals.
• Media Access Project
• Progressive Democrats of America (PDA)
  
• Peak Oil -- 5-part series by Washington Monthly's Kevin Drum
• PublicEye From Political Research Associates (PRA), who "works to facilitate public understanding of the threat posed to human rights by oppressive and authoritarian right-wing movements in the United States."
• RealClimate
• Rockridge Institute
  
• The Hill The Newspaper for and about the U.S. Congress
• The Age of Reason Thomas Paine's 1796 critique of organized religion (eBook)
• The Age of Reason Same as above (zip file)
• The Brookings Institute (non-partisan think tank)
• The Jefferson Bible -- Thomas Jefferson's 'rewrite' of the King James New Testament
• Wikipedia