Piedmont Diversity Film. "Room to Breathe" is the story of transformation of struggling middle school children in San Francisco as they are introduced to the practice of mindfulness meditation. 2 to 3 p.m. June 29. The New Parkway Theater, 474 24th St., Oakland. Free. 510-655-5552, diversityfilmseries.org.

July Fourth at Jack London Square. Celebrate Independence Day on the waterfront at Jack London Square's July Fourth Festival of Family Fun featuring interactive activities and performers for parents and children, including a bubble wrangler, jugglers, magicians, Uncle Sam stilt walkers, special petting zoo, face painters, balloon artists, hula hoopers, bike rentals, puppet shows, craft making, fire engine trucks and performances from the Circus Spire Youth Troupe. 11 a.m. to 4 p.m. July 4. Jack London Square, Broadway & Embarcadero, Oakland. Free. 510-645-9292, www.jacklondonsquare.com.

Find Your Family: Intro to Genealogy. Trace your family history at a free Introduction to Genealogy Class taught by Lavinia Schwarz. 1 to 3 p.m. July 6. California Genealogical Society and Library, 2201 Broadway, Oakland. Free. 510-663-1358, tinyurl.com/BeginJun2013Reg.

East Bay SPCA Pet Adopt-a-thon. Jack London Square and the East Bay Society for the Prevention of Cruelty to Animals welcomes friendly dogs, adorable kittens, bunnies, guinea pigs, rats, birds and reptiles from more than 40 East Bay pet adoption agencies. Potential pet owners can meet these shelter animals seeking new homes, checkout canine demos and bring dogs out for a $10 microchip implants. 10 a.m. to 3 p.m. July 13. Jack London Square, Broadway and Embarcadero, Oakland. Free www.eastbayspca.org.

Creek Crew Work Day at Oakland Zoo. Volunteers needed to help restore Arroyo Viejo Creek. Wear close-toed shoes that can get dirty. Bring water and snacks. Gloves and tools will be provided, but feel free to bring your own. Adult chaperon required for kids. 10 a.m. to Noon July 20. Arroyo Viejo Creek Restoration Project, Oakland Zoo, 9777 Golf Links Road, Oakland. 510-632-9525 ext. 122, www.oaklandzoo.org.