FREE E-WASTE COLLECTION ... Old CPUs, monitors, keyboards, cell phones, small appliances, TVs, stereos — even peanuts and bubble wrap — can be e-cycled on Saturday, May 8, from 9 a.m. to 3 p.m. at Ohlone Elementary School, 950 Amarillo Ave., Palo Alto. This is a fundraiser for the Ohlone PTA; proceeds from the recycling will not be sent overseas or dumped in the landfill, according to the Ohlone Green Team. Information: See www.earthcarerecycling.com/ for a complete list of accepted items.
NEIGHBORHOOD TREE WALK ... Arborist Chris Regan will lead a free walk near the Palo Alto Main Library and Art Center on Saturday, May 8, from 10 a.m. to noon. Meet at the entrance to the parking lot of the Main Library, 1213 Newell Road, Palo Alto. Information: Canopy at 650-964-6110 or www.canopy.org or firstname.lastname@example.org.
DRIP IRRIGATION ... Frank Niccoli, owner of The Village Gardener and horticulture teacher at Foothill College, will teach a hands-on class on "Drip Irrigation" on Saturday, May 8, from 2 to 4 p.m. at Common Ground Demonstration Garden, 559 College Ave., Palo Alto. The class will compare drip and spray systems and demonstrate pressure reduction, filtration and irrigation controllers. Cost is $31. Information: 650-493-6072 or www.commongroundinpaloalto.org or http://dripirrigation.eventbrite.com.
TURN PILES INTO FILES ... Christine Palen, a coach and motivational speaker, will offer a one-session class called "Organize Your Office: From Chaos to Control" on Wednesday, May 12, from 6:30 to 9 p.m. in Room 305 of Palo Alto High School, 50 Embarcadero Road, Palo Alto. Focus is on creating a simple paper-flow system, streamlining e-mails and using productivity tools in home offices. Cost is $40, plus $5 materials fee payable to the instructor. Information: 650-329-3752 or www.paadultschool.org.
PLANT PROPAGATION ... Filoli will offer a hands-on lab on "Plant Propagation" on Tuesday, May 18, from 10:30 a.m. to 12:30 p.m. at 86 Canada Road, Woodside. The class deals with how to reproduce plants, including by seed and vegetative methods — cuttings, layering and division. Cost is $40 for nonmembers, $35 for members. Information: 650-364-8300 or www.filoli.org.