RESTORE HABITAT ... On Saturday, Dec. 21, from 9 a.m. to 1 p.m., volunteers work with Acterra to restore habitat at the Pearson-Arastradero Preserve (1530 Arastradero Road, Palo Alto) and local creeks. Gloves, tools, snacks and training are provided. Tasks include removing invasive plants, collecting seeds, spreading mulch and planting native grasses. Wear long sleeves and long pants and bring a hat and reusable water bottle. Information: www.acterra.org/stewardship.
PORK AND LAMB ... Hidden Villa will hold a sale of organically or grass-fed, pasture-finished pork and lamb from 10 a.m. to noon on Saturday, Dec. 21, at Hidden Villa's Tin Barn, 26870 Moody Road, Los Altos Hills. Cash and check only; bring your own bag. Information: 650-949-8650 or hiddenvilla.org
MATCHING GRANT ... Coldwell Banker Residential Brokerages will match any holiday donation collected at its Northern California offices through Friday, Dec. 20. Donations will go to local food banks. In the past five years, Coldwell Banker has donated more than $71,000 to local food banks, according to a press release. Local offices are also drop-off points for Toys for Tots and One Warm Coat donations. Information: www.cbfoodbankgiving.eventbrite.com