How to effect local change with email marketing

For the past couple of years, I've been working to end the use of gas-powered leaf blowers. They're noisy and polluting. Here's part of the effort - using email marketing. http://albertideation.com/change
By building a local list of interested participants we've been able to have quite an effort on a local level. This has led to a quiet and less polluted Portland, Oregon. Feel free to borrow this and use it where you live!