A public meeting tonight will discuss a new study to measure the impacts of polluted runoff and sedimentation from upper watersheds to the reefs of Maunalua Bay.

The meeting is scheduled for 6:30 to 8:30 p.m. at the Hawai'i Kai Public Library, 249 Lunalilo Home Road, and will include speakers from the University of Hawai'i, the National Oceanic and Atmospheric Administration, and Palau International Coral Reef Center.

Malama Maunalua, Malama Hawai'i and The Nature Conservancy are sponsoring the event. For more information, call Malama Maunalua at 744-0052 or e-mail mmaunalua@gmail.com.