text:  That was Gregory Chun and Nohua Gillows with the UH Hilo Center for Mauna Kea Stewardship. They were talking to HBR's Russell Subbiono about completing the decommissioning of the Caltech Submillimeter Observatory. Gillows says approximately 40% of the materials from the removed observatory were recycled. The California Institute of Technology will monitor the site for the next three years to document the natural repopulation of plants and wildlife. Music