Other Steve Greenberg cartoon sites
Cagle.com (Latest work is here)
LA Observed (Los Angeles city and regional cartoons)
VCReporter (National and Ventura County cartoons)
Assn. of American Editorial Cartoonists (see a portfolio)
Cartoon Movement The Netherlands (some work)
PoliticalCartoons.com

Professional organizations and cartoon connections
Assn. of American Editorial Cartoonists
National Cartoonists Society
Cagle.com (the mega-site of cartooning links)
Daily Cartoonist (important news site for cartooning)
Comic Riffs by Mike Cavna (Washington Post)
Cartoonists Northwest (Seattle-based cartoon group)
Comic Art Professional Society (Los Angeles cartoon group)

Museums containing my artwork
Cartoon Art Museum, San Francisco (my favorite museum)
Ohio State University Cartoon Research Library
Charles M. Schulz Museum
The Newseum, Arlington, Virginia

Misc.
Brainnurse.com (my wife's site for Parkinson's Disease info, with a small cartoon collection)

Additional resources re: CARTOONING
Editorial cartooning how-to
General cartooning how-to
Grinning Planet Humor and environmentalism
The Funny Times
Hogan's Alley (great magazine of cartoon history & more)
Mad magazine
Starving Artists Law Stuart Rees, cartoon law
Graphic Artists Guild
Museum of Comic and Cartoon Art NY
National Cartoonists Society members on the Web

Additional resources re: MEDIA
Poynter Online
Jim Romenesko
Editor & Publisher magazine
Learnstuff.com

Additional resources re: ENVIRONMENT
Climate Change: 100 sites link
The Population Institute
High Country News
Sierra Club
World Wildlife Fund
Natural Resources Defense Council
Zero Population Growth
Planned Parenthood

Additional resources re: CALIFORNIA politics
California state government page
PoliticalAccess.com
Rough & Tumble
Calbuzz.com

Additional resources re: JEWISH links
Jewish Journal of Greater Los Angeles
J., the Jewish news weekly., San Francisco
Resource Bay Area guide of the Jewish Bulletin
Aleph Alliance for Jewish Renewal
New Israel Fund civil rights, pluralism & Mideast peace org
Jewish.com A major site for news, info and links