Surfrider Online - One of the leaders in the fight for clean oceans, also very easy to become a part of yourself. Please also see these chapters of the Surfrider Foundation:

• San Francisco
• Santa Cruz Chapter
• Humboldt Chapter
• South Bay
• Ventura
• San Diego
• San Clemente
• Long Beach/North Orange County
• Victoria, Australia

Save Sunset Beach Coalition - A group trying to save the North Shore of Oahu from development and the ultimate demise of Sunset Beach.

Earth First! - The folks who bring you ecodefense by monkeywrenching and ecotage. Drastic times require drastic measures and Earth First! is on the cutting edge of environmental activism.

Surfers Against Sewage - Locals in the UK trying to clean the water up where they live.

For many other organizations to join, visit the Environmental Webdirectory.