Community Fair Saturday-Sunday

* San Juan Capistrano continues its Heritage Festival with a community fair on Saturday (children’s rides, craft and food booths, entertainment), a free cultural heritage tour on Sunday, 1-4 p.m., and a team penning competition at Creekside Equestrian Center, both days. (714) 493-5911.

Environmental Fair Saturday

* Environmental Education Fair includes natural science exhibits, hands-on projects and nature games. Air pollution display greenhouse open for tours. 9 a.m.-4 p.m. L.A. Arboretum, 301 N. Baldwin Ave., Arcadia. $3; seniors and students, $1.50; ages 5-12, 75 cents. (818) 821-3222.