Here is a list of non-profit organizations and websites I recommend
Farm Center – Kohala based Agroforestry educational facility focusing on Syntropic Agriculture methodologies
Hawaiian Reforestation Program – Mauna Kea based Native Hawaiian forest restoration project focusing in Palila Critical Habitat on Public State Lands
Malama o Puna – Environmental education facility promoting local needs
Keau‘ohana Native Forest Restoration – Puna forest restoration project focusing on the only remaining native lowland forest in the state
Agroforestry.org – Incredible resource bank and educational organization focusing on Pacific Island agroforestry – many many free publications available