At Friends of the Urban Forest, we believe planting and caring for trees is a low-tech, high-impact way to help San Franciscans in so many different ways. Trees cool hot streets, soak up stormwater, and just as importantly, offer quiet relief for the mind. Everyone in our city deserves those benefits. That's why we prioritize planting where shade and calm are needed most. One proven benefit of trees is the boost they give to our spirits. A growing body of research shows tha