Create a sustainability hub in your neighborhood that is on an abandoned lot a city/county property, or a generous landowner. It could include tool lending library, compost drop off hub for neighbors to bring food scraps, community garden space, wood chips and mulch depot for all to use in their gardens an yards, a mini library to encourage reading, a community bicycle repair station, an electric car charging station. If needed, you can buy liability insurance for a few hundred dollars a year