Presidio, 9 a.m.–noon
Help enhance native plant habitat and create important wildlife corridors, and learn about dune and serpentine systems while restoring various plant habitats by removing invasive species and revegetating with natives, all while healing the environment. Free, 415-561-3044, www.parkconservancy.org
Arts & Culture
Presidio Park Stewards Volunteer Day
June 9th, 2012
