Most grain products are available without packaging, including pasta and rice. Other action that will make a big difference is becoming involved in municipal government. I recently went through the committee appointment process for the City of Encinitas. I was the lone voice in a wilderness of development interests. Architects, engineers, planners and realtors all wanting to help shape future growth.
Voting is also important.
If you have yet to find out about the Green Party, now is the time. It's like choosing between Coke or Pepsi. Volunteering is yet another way of acting on behalf of the environment. San Diego Earth Day is always in need of people and their special talents. I'm sure I Love a Clean San Diego would love to have enough volunteers to clean San Diego beaches on a weekly basis.