"SAVING HAWAI'I'S MONK SEAL," lecture by Jeff Walters, Hawaiian Monk Seal Recovery coordinator with NOAA National Marine Fisheries Service, 6 p.m. at ING Cafe on Kalākaua Avenue. Free.
MAKAKILO/KAPOLEI/HONO-KAI HALE Neighborhood Board MEETING, 7 p.m. at Kapolei High School cafeteria.
MILILANI/WAIPI'O/MELEMANU Neighborhood Board MEETING, 7:30 p.m. at Mililani Recreation Center III.
HAU'ULA COMMUNITY METH MEETING presented by Hawaii Meth Project, 6 to 7 p.m. at Hau'ula Community Center. Learn about the scope and nature of the Hawai'i meth problem and about community action programs being undertaken to reduce meth use. 529-6254 or www.hawaiimethproject.org.
WAIPAHU Neighborhood Board MEETING, 7 p.m. at Waipahu FilCom Center.
COAST GUARD OPEN HOUSE. Explore a polar ice breaker ship and learn about Coast Guard missions, 9 to 11 a.m. May 28 and 29 at Aloha Tower. Free. 535-3230.
BILL'S BOOKMOBILE, Friends of the Libra ry of Hawaii year-round bookstore's monthly sale, 10 a.m. to 2 p.m. at 690 Pohukaina St., Kaka'ako. Specials: hobby, cooking, gardening, health, travel and children's books. Also, paperback fiction and romance novels. 536-4174.
SOLAR OPEN HOUSES, 10 a.m. May 29 at Wilhelmina Rise and June 6 at Mililani Mauka. View and learn about solar water heating systems. Watch installation. Free. Location: 748-8888 or www.RevoluSun.com.
"THE PEACE CORPS TODAY," meet Peace Corps alumni, staff, local applicants and nominees as the Corps approaches its 50th anniversary; 5:30 to 7 p.m. June 1 at Nu'uanu YMCA, third floor boardroom; free. Register: firstname.lastname@example.org or 510-452-8442 (Nathan Hale Sargent).