April 30

American Red Cross, Hawaii State Chapter, 4155 Diamond Head Road, 1-2:15 p.m., $110. Get trained to recognize and care for victims of illness and sudden injuries and life-threatening respiratory or cardiac emergencies in adults, children, and infants and learn how to use an AED. Pre-registration required. (1-800-733-2767, redcross.org/take-a-class)

American Red Cross, Hawaii State Chapter, 4155 Diamond Head Road, 1-2:15 p.m., $70. Learn to recognize and care for victims of life-threatening respiratory or cardiac emergencies and to use an AED on adults. Pre-registration required. (1-800-733-2767, redcross.org/take-a-class)

American Red Cross, Hawaii State Chapter, 4155 Diamond Head Road, 1-2 p.m., $90. Get trained to recognize and care for victims of illness and sudden injuries and learn how to administer CPR and use an AED for life-threatening respiratory or cardiac emergencies on adults. Pre-registration required. (1-800-733-2767, redcross.org/take-a-class)

Kaala Farm, April 30 and June 4; Kapolei High School, July 30, 9 a.m.-noon, $20/workshop, $50/series. Learn more about kalo, including growing, harvesting, cleaning, processing and cooking. (malamalearningcenter.org)

Crystal Cave & Kyanite Lounge, 3424 Waialae Ave., 11 a.m.-5 p.m., $120. Know yourself with astrology and mind science. (397-3174)

American Red Cross, Hawaii State Chapter, 4155 Diamond Head Road, 8:30-11:15 a.m., $75. Breathing new life into resuscitation education, Basic Life Support for Healthcare Providers (BLS) is designed to train professionals to respond to cardiac and breathing emergencies for adult, child, and infant victims. Pre-registration required. (1-800-733-2767, redcross.org/take-a-class)

DSI Pearlridge, Dialysis Center Conference Room, Saturdays through May 21, 9-11:30 a.m., free. A six-week series of interactive workshops to help you improve your health, focusing on diabetes management. (589-5904, 589-5905)

Hawaiian Humane Society, 2700 Waialae Ave., 9-10 a.m., free. Learn how to be part of Hawaiian Humane Society’s foster care program for shelter pets in need of temporary homes. Pre-registration required. (356-2222, kkoss@hawaiianhumane.org)

Happiness U, 560 N. Nimitz Hwy. #117A, 2-3 p.m., free. Hear from founder Alice Inoue about how it is possible to change your life by changing your focus and experience firsthand what Happiness U has to offer. Pre-registration required. (yourhappinessu.com)

Ong King Arts Center, 184 N. King St., 7:30-10:30 p.m., $10, ages 18 and up. Think Fast leads team of performers from around the island and beyond as they create community improv teams. (thinkfastimprov.com)

The ARTS at Marks Garage, 8-10 p.m., $10. Female Comics of Hawaii celebrate their fourth anniversary with a performance featuring headliner Cameo Lawrence and host Patrice Scott. Plus, Brandi Morgan, Jasmine Bautista, Erika Swartzkopf, Mary Jane Murphy, Aimee-Jane Baxa and Katt Moore perform original comedy. (eswartzkopf@gmail.com)

Access Information Management, 98-736 Moanalua Loop, 8 a.m.-noon, free. Bring up to four boxes of personal documents for free shredding, plus donations for Hawaii Foodbank are encouraged. (jboland@aarp.com)

Windward Mall, 10 a.m.-noon, free. Enjoy robotics demonstrations and test runs. (235-1143)

Bay View Golf Course, 9:30 a.m.-2 p.m., free. Enjoy ono food and shopping just in time for Mother’s Day! (798-6779)

Our Savior Lutheran School, 98-1098 Moanalua Road, 9 a.m.-1 p.m., free. Bring your recyclables and turn trash into cash for community programs. Acceptable materials include scrap metal, appliances, computers, one TV per car, HI-5 beverage containers, batteries and more. (291-6151, renemansho@hawaii.rr.com)

Hawaii Baptist Academy Elementary School campus, 21 Bates St., 9 a.m.-5 p.m., free. Food, live entertainment, amusements and a white elephant sale. (hba.net, 524-5477)

Wahiawa Shopping Center & Wahiawa Town Center, 9:30 a.m.-1 p.m., free. Find an ideal combination of earth-friendly activities, entertainment and gardening tips from Wahiawa Botanical Garden and more, including free starter seeds, a ti-leaf lei workshop, leaf imprinting and more. (jla@hawaii.rr.com)

Salvation Army Kroc Center Hawaii, 91-3257 Kualakai Pkwy., 7 a.m., check website for cost. The second annual Kroc Hero Run features a 5K/10K road race and fun run, plus a keiki run at 9 a.m. Afterwards, enjoy food, prizes, entertainment and a keiki fun zone. (kroccenterhawaii.org, 693-8322)

Crystal Cave & Kyanite Lounge, 3424 Waialae Ave., 2 p.m., free. Sharing questions and answers relating to life, finances and personal issues. (741-0811)

Windward Mall, food court entrance, 10 a.m.-2 p.m., free. Make your home a little safer by cleaning out your medicine cabinet as part of the DEA’s National Take Back Initiative. Bring expired or unused medication for safe disposal. (235-1143)

Noelani Elementary School, 2655 Woodlawn Drive, April 30 from 8:30 a.m.-4 p.m., May 1 from 8:30 a.m.-3 p.m., free. Beautiful orchids and other plants are on sale, and club members display their best orchids. The plant doctor is in to answer questions from 10 a.m.-noon April 30. (456-1857)

Kaneohe Higashi Hongwanji, 9 a.m.-1 p.m., free. The hongwanji holds its annual plant sale, including landscape plants, houseplants and more. (247-2661)

Waipio Shopping Center, 94-1044 Waipio Uka St., 8 a.m.-1 p.m., free. A unique mix of household items, slightly used items, clothing, jewelry, crafts and more. (shopwaipio.com)

Kohola Lagoon 1 at Ko Olina, 1-8 p.m., $30-$10. Enjoy family-friendly movies, live stage performances, music and more. Film lineup includes “Cinderella,” “Monsters University,” “Inside Out,” “Aladdin” and more. (koolinachildrensfestival.com)

Hanauma Bay, 10 a.m.-2 p.m., free. Enjoy educational games and crafts about marine conservation in Hawaii. (397-5840)

Children’s Discovery Center, 111 Ohe St., 10 a.m.-noon, $10. A special mochi-pounding activity for keiki coincides with the “Hello from Japan!” traveling exhibit closing May 14. (524-KIDS, discoverycenterhawaii.org)

Waianae Public Library, 10:30 a.m., free. Stories, songs, games, and simple arts and crafts for ages 0-5 and their caregivers. This week’s theme is “Dragons.” (697-7868)

Villages of Kapolei, 91-1111 Kamaaha Loop, 9 a.m.-2 p.m., free. Enjoy food vendors, craft booths, entertainment, a petting zoo, carnival games and more. Plus, bring donations for Hawaii Foodbank. (674-4444, villagesofkapolei.com)

Call for meeting place, 8:30 a.m., free. Take a pet-friendly hike at Makiki Loop Trail. (356-2222, hawaiianhumane.org)

Ala Moana Center, Center Stage, 3 p.m., free. (955-9517)

Calvary Episcopal Church, 45-435 Aumoku St., 7:30 p.m., free. Enjoy a special concert featuring music from “Die Fledermaus” from Simon Crookall, Hawaii Symphony musicians, Hawaii Opera Theatre singers, Hawaii de Corps Ballet Dancers and many more. (247-0610)

Ala Moana Center, Center Stage, 5 p.m., free. (955-9517)

Downbeat Lounge, 9 p.m.-1 a.m., free. (533-2328)

Kakaako Agora, 441 Cooke St., 5:30-9 p.m., $5-$10. Support TFSS’ work in Hawaii schools and community teaching beats. (info@todaysfuturesound.org)

Crossroads at Hawaiian Brian’s, 1680 Kapiolani Blvd., 8 p.m.-1:30 a.m., $10. Backwards Shaka, The Urchinz and The Instigators perform a tribute to the music of Sublime. (239-5867)

Waimanalo Beach Park, 9:30 a.m.-noon cleanup, noon-2 p.m. festivities, free. Help clean up the beach before enjoy live music from Mike Love and more, games, food and other festivities in honor of Earth Day. (sustainablecoastlineshawaii.org)

Star of the Sea School, 4470 Aliikoa St., 5:30-9:30 p.m., $70-$80. Enjoy delicious food from more than 20 different chefs and restaurants, plus entertainment from Dita Holifield’s Hillbilly House Band and Kona Winds. (734-0396)

Ala Moana Hotel, Hibiscus Ballroom, 10 a.m. doors open, $75. Hawaii Academy of Recording Arts honors Mountain Apple Company founder John de Mello, vocal coaches Neva Rigo and Betty Grierson, steel guitar player Hiram Olsen, Ukulele Festival founder Roy Sakuma and entertainer Elain Ako Spencer. Plus, enjoy a lunch buffet, silent auction and more. (melemei.com)

Honolulu Hale, April 30-May 1, 10 a.m.-5 p.m., free. Book and music lovers can enjoy live performances and readings from Mr. Steve, Susanna Moore, Julie Checkoway, Shawna Yang Ryan, hula halau and much more at this 11th annual festival. (hawaiibookandmusicfestival.com)

Kalakaua Avenue, 4-10 p.m., free. Celebrate Hawaii’s love for SPAM with plenty of food, music, arts and crafts, and more. (spamjamhawaii.com)

Ala Moana Center, Center Stage, 5 p.m., free. (955-9517)

BookEnds, 11 a.m.-1 p.m., free. Author Cosette Harms autographs her book, “December 7, 1941: Letters from Hilltop House,” a collection of letters her mother wrote during December 1941, as WWII cast a shadow on the islands. (292-7007)

Tenney Theatre, April 23, 30 and May 7 at 4:30 p.m., $20-$10. Honolulu Theatre for Youth presents a celebration of our most precious natural resource and its relationship with Hawaii. (htyweb.org, 839-9885)

Kroc Center Hawaii Performing Arts Center, 1 and 7 p.m., $18-$2. Nanakuli High and Intermediate School Performing Arts Center presents an evening of song and dance to pop hits from the past and present. (nhispac.com)

Pouhala Marsh on Waipahu Depot Street, 8:30-11:30 a.m., free. Hawaii Nature Center works to clean up the marsh by removing invasive species and establishing habitat areas for endangered Hawaiian waterbirds. Bring work gloves and bottled water, wear a hat and dress to get dirty with an extra change of clothes and towel. (955-0100 ext. 118)