Campaign for Basic Health organizing meeting, on Thursday, Oct. 29, 7 p. m. New Freeway Hall, 5018 Rainier Ave. S.

“Where’s My Trolley? 155 years of Transportation in Ballard,” on Thursday, Oct. 29, 7-8 p. m. Ballard Library, 5614 22nd Ave. N. W. 660-8463. Spiders, Owls & Ghosts Night Walks (in Spanish), on Friday, Oct. 30, 6 p. m. and 8 p. m. $3. Seward Park Audubon Center, entrance to Seward Park. Reservations, 652-2444, Ext. 102. Friends of Green Lake milfoil-cleanup party, on Saturday, Oct. 31, 10

a. m.-12:30 p. m. Tools provided. Meet at Boat Rental, northeast corner of lake. Steven, (301) 509-8549.

“Stones and Bones: Discovering Secrets in King County’s Oldest Cemeteries,” by writer-photographer Gwynneth Anderson, on Saturday, Oct. 31, 10:30-11:30 a. m. Free. Downtown Library’s Microsoft Auditorium, 1000 Fourth Ave., Level 1.

Dia de Muertos, with community altars, food, art and more, on Saturday, Oct. 31, Noon-8 p. m. and Sunday, Nov. 1, Noon-6 p. m. Free. Seattle Center House.

Odunde Festival, with music, workshops, food and African marketplace: Nov. 6-7, Noon. $5-$30. Rainier Valley Cultural Center, 3515 S. Alaska St.;Nov. 8, 1 p. m. Northwest African American Museum, 2300 S. Massachusetts St. 7226602 or www.adefua.org.

Older Women’s League–King County Chapter, on socially responsible investing, on Nov. 7: Coffee, 10:15 a. m.; Business meeting, 10:30-11:30

a. m.; Presentation, 11:30 a. m. University House, 4400 StoneWay N.

Parks and Green Spaces Levy Oversight Committee public hearing, on draft criteria for evaluation of Opportunity Fund projects, on Nov. 9, 7 p. m. Parks Administration Building, 100 Dexter Ave. N.

Seattle Speaks: Preventing Youth Violence moderated discussion, on Nov. 10, 7 p. m. Free. Town Hall, 1119 Eighth Ave. Register, www.brownpapertickets.com.

Parenting classes, for parents of youths age 9-14, presented by Julie Metzger: The Young and the Restless, on Nov. 12, 6:30 p. m.; Staying Close While Standing Back, on March 11, 6:30 p. m. All free. Christ the King Catholic School’s Fitzgerald Room, 415 N. 117th St. www.ckseattle.org.

Best of the Northwest juried art and craft show, with more than 150 emerging and established artists, on Nov. 13, 10 a. m.-8 p. m. and Nov. 14-15, 10 a. m.-6 p. m. $5/$7. Seattle Center Exhibition Hall, 205 Harrison St. www.nwartalliance.com.

Pratt Fine Arts Center open house, on Nov. 14,6-9 p. m. Free. 1902 S. Main St. 328-2200.

Mayor’s Office for Senior Citizens coffee hour, on Nov. 19, 10-11 a. m. (third Thursday). Central Building, 810 Third Ave. 684-0500.

Cool City Pets adoptathon, featuring such small animals as hamsters, gerbils, rabbits, guinea pets, rats and mice, on Nov. 21, Noon-3 p. m. (third Saturday). $5-$25. Seattle Animal Shelter, 2061 15th Ave. W. 386-7387.

Clean Greens Farm & Market, on Friday-Saturday, 10 a. m.-3 p. m., through November. 116 21st Ave. www.cleangreensfarm.com.

Broadway Farmers Market, on Sundays, 11 a. m.-3 p. m., through Dec. 10. Bank of America parking lot, 10th Ave. and Thomas St. www.seattlefarmersmarkets.org.