KALIHI NATURE PARK — Volunteers needed 8:30 a.m. to noon Saturday to help a Kokua Kalihi Valley program by doing weeding, gardening, removal of invasive species and replanting of native forests. Meet at 3659 Kalihi St.; community volunteer days every third Saturday of month.

CRATER OVERNIGHTER — March 15-17 service trip to Holua Cabin. Create an account at www.fhnp.org to certify your readiness for service trips. For reservations, call Farley at 808-248-7660 or Matt at 808-876-1673.

FARRINGTON ALOHA 'AINA— The 38th Aloha 'Aina Recycling Community Cleanup Project allows residents to dispose of bulky items and recyclables, 8 a.m.-2 p.m. Saturday at Farrington High School. Accepting HI-5¢ containers, eyeglasses, hearing aids, printer cartridges, usable lumber, clothing, scrap metal, auto parts, cooking oil, lawn mowers, newspapers, cardboard, fishing nets and more. Volunteers, vans and pickup trucks needed. For curbside pickup in Waipahu area, call Romy Cachola at 527-5679 or Rene Mansho at 306-1876.