One of the greenest cities in North America, San Francisco is a global powerhouse on the eco-scene. It leads the way in:
https://sfplanning.org/project/sustainable-city
By being the first American city to prohibit the use of plastic bags, San Francisco has diverted more than 1.6 million tons a year of waste from landfills.*1.6 million tons equals more than double the weight of the Golden Gate Bridge. The San Francisco Bay Area has more than 580 philanthropies dedicated to promoting a greener lifestyle which will help sustain natural resources and lay the groundwork for future generations.
Volunteers interested in all manner of environmental projects can follow the link here to find the right organization and effort that fits your passion. The San Francisco Department of the Environment is helping the city reach zero waste. Do your part, follow the guidelines offered on everything from recycling and waste prevention, to getting a free compost pail, to tax savings on your commute, to energy and incentive tips.