From Envirowiki

This is a list of all social change tactics, methods for using them, and problems involved.

[edit] 1 Lobbying

Lobbying involves talking to the powerholders and decision makers on an issue:

• Online petitions: there's a good page on the negative aspects of these at snopes.com
• letter writing
• Direct lobbying

[edit] 2 Direct action

Direct action is about stopping the problem at the place it's happening. It can also be used as a lobbying lever, or a public mindset changer, through the media

• Blockading
• rallies/demonstrations
• monkey wrenching

[edit] 3 Public participation

Public participation is getting the public involved in the issue, or changing the public mindset:

• Street theatre
• Stall holding
• street art/graffiti