June 28

American Red Cross Hawaii Chapter, 4155 Diamond Head Road, June 28 and 29, 8:30 a.m.-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. (1-800-733-2767, redcross.org/take-a-class)

Happiness U, 560 N. Nimitz Hwy., Ste. 117A, 2:30-3:15 p.m., free. Founder Alice Inoue discusses how it is possible to change your life by changing your focus. Experience firsthand what Happiness U has to offer. Pre-registration required. (yourhappinessu.com)

Hanauma Bay Nature Preserve, Education Alcove Classroom, 3-4 p.m., free. Alan Friedlander of National Geographic Society and UH presents on “A global perspective on Hawaii’s coral reefs.” (397-5840)

Hawaii Polo Club, 68-411 Farrington Hwy., Sundays through Aug. 9, 11 a.m. gates open, $12. Hawaii Polo Club plays its 2015 season. (439-6394 ext. 101, info@hawaii-polo.org)

Honolulu Polo Club in Waimanalo, Sundays through Oct. 25, 3 p.m., $5. Enjoy the 29th season of polo with Honolulu Polo Club. (honolulupolo.com, 521-6927)

Call for location and times in Maili, $30/cats, $65/dogs. Low cost, high volume, high integrity spay and neuter clinic by Animal Care Foundation in Maili. Includes microchip and meds. (396-3333, spayneuter@acfhi.org)

Halawa District Park, must email for appointment time, $25-$130 depending on animal. Poi Dogs and Popoki hosts a mobile clinic for pet owners to get their cats spayed and neutered at an affordable cost. (alicia@poidogsandpopoki.org, 551-7915, poidogsandpopoki.org)

Ward Village IBM Courtyard, 10 a.m.-1 p.m., $85/advance. Support Make-A-Wish Hawaii with a special brunch, featuring plates from Morimoto Waikiki, MW Restaurant, Koko Head Cafe and more. (hawaii.wish.org)

Hawaii Nature Center, 2131 Makiki Heights Drive, 9:30-11:30 a.m., $10/non-members, age 3-5. Be nature artists for a day and explore Makiki Valley for inspiration, with watercolors, leaf rubbings and scrapbooking. (955-0100)

The Republik, 1349 Kapiolani Blvd., 6 p.m. doors open, $25/presale, $35/at the door. Sustainable Coastlines Hawaii hosts its third annual fundraiser, featuring live music from The Live Ones, The Vitals and Dread Ashanti, a marine debris fashion show, a silent auction, prize giveaways and more. (sustainablecoastlineshawaii.org)

Ala Moana Center, 1 p.m., free. The Keiki Hula Show takes the stage at 1 p.m., and Ka Hale I o Kahala Halau Hula performs at 3 p.m. (alamoanacenter.com)

UH-Manoa Art Auditorium, June 28 and July 12 and 19, 3 p.m., free. Family-friendly movies come to Manoa, including “The Seventh Dwarf” (June 28), “The Boxcar Children” (July 12) and “The Legend of Longwood” (July 19). (summer.hawaii.edu/kidsfirst, 956-9883)

Meet at top of Haiku Road near new preschool, 9 a.m.-1 p.m., $10-$20/suggested donation. In addition to service work on heiau and other areas, volunteers will share mo‘olelo and history of the valley and their vision for future cultural preserve. Pre-registration required. (235-8111, legendsofkoolau@aol.com)