MAUNALUA MAKAI WATCH TRAINING: Free training sessions equip volunteers to learn about and take care of Maunalua Bay. Sign-up deadline is Thursday; training sessions 9 a.m.-1 p.m. July 12, 19 and 26 at East O'ahu location to be announced. Volunteers must be 16 or older, and be able to commit to volunteering at least four hours a month for one year. Topics include: history of Malama Maunalua (www.malamamaunalua.org); Maunalua Bay history and geography; basic ecology of Maunalua Bay (resources, major threats and restoration strategies); existing bay regulations and common violations; identification of fish and limu species; biological monitoring; human use monitoring; and alien algae removal projects. To register, contact Lance "Mahi" La Pierre at lapierre@hawaii.edu or 282-4611.

INVASIVE SPECIES REMOVAL: 8 a.m.-3 p.m. Saturday. O'ahu Invasive Species Committee will hike the Judd Trail to remove the invasive chandelier tree (Medinilla magnifica), an evergreen shrub. Intermediate hike; participants must bring two quarts of water and lunch, and wear long sleeves and sturdy shoes. RSVP by July 3 to Julia Parish at oisc@hawaii.edu or 286-4616. All participants must sign a waiver.