Volunteer Outdoors at Redwood Grove in Los Altos

Sat · Nov 7·10 AM – 4 PM·Los Altos Community Center, 97 Hillview Ave., Los Altos, CA 94022, 97 Hillview Avenue, Los Altos

Friends of the Los Altos Library host a community book sale of fiction, non-fiction and media at Los Altos Community Center, $10 entry, $5 bag sale, all ages.

Sat · Nov 7·10:30 AM – 12 PM·Los Altos Library, Orchard Room, Los Altos

American Sign Language storytime with songs and stories, followed by play with age‑appropriate toys, at Los Altos Library Orchard Room; bring a blanket, for ages 1 and under.

Sat · Nov 7·5:45 PM·Shoup Garden House in Los Altos

Potluck dinner with speaker Stu Weiss and a silent auction of books, art and textiles at Shoup Garden House in Los Altos.

Sat · Nov 7·McClellan Ranch Preserve, 22221 McClellan Rd, 95014 · Cupertino

Park Rangers lead a bird‑identification hike through McClellan Ranch Preserve’s riparian trails, spotting Red‑Shoulder Hawks, Screech Owls and other species; registration required, adults accompany children.

Sat · Nov 7·9 AM – 12 PM·Hidden Villa, 26870 Moody Road, Los Altos Hills, California

Volunteer with Hidden Villa's farm team, tending crops and preparing food for the local community.

Sat · Nov 7·10 AM – 1 PM·EcoCenter, 2560 Embarcadero Road · Palo Alto, CA

Explore hands‑on Earthquake and plate tectonics activities, rock formation demos, mineral property stations, interactive touchscreens and Marshcam on the EcoCenter deck, free.

Sat · Oct 24·8:30 AM – 11:30 AM·Pearson-Arastradero Preserve, 1530 Arastradero Road, Palo Alto, CA, 94304

Volunteer your time to help increase biodiversity at Pearson‑Arastradero Preserve.

Sat · Oct 24·9 AM – 12 PM·Cooley Landing Education Center, 2100 Bay Road, East Palo Alto, CA, 94303

Grassroots Ecology volunteers work to increase biodiversity at Ravenswood Open Space Preserve, meeting at Cooley Landing Education Center.

Sat · Oct 24·10 AM – 3 PM·Dana Center at Hidden Villa, 26870 Moody Road, Los Altos Hills, CA, 94022

Plant sale at Hidden Villa's Dana Center offers native plants for the season, partnered with the California Native Plant Society.