WEDNESDAY Environmental challenge program, 12:30-1:30 p.m., Adat Ari El, 12020 Burbank Blvd., Valley Village. Cost: $3. Call (818) 796-9426. Conejo Valley Days Carnival through Sunday, 5-10 p.m. (Friday-Saturday 5 p.m.-midnight, Sunday noon-8 p.m.), Conejo Creek Park South, 23 Freeway and Janss Road, Thousand Oaks. Cost: $7 per person. Children under 6 free. Call (805) 371-8730. Mail Datebook entries – including time, date, location and phone number – to Daily News City Desk, P.O. Box 4200, Woodland Hills, CA 91365; fax (818) 713-0058; e-mail [email protected] 160Want local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set!