The document provides information about the Department of Environment and Natural Resources (DENR) in the Philippines. It discusses the DENR's history, official mandate to promote sustainable development and management of the environment and natural resources. It outlines the DENR's goals of protecting forests and rehabilitating degraded lands, promoting efficient resource use, and implementing community-based programs. The DENR's functions include forest management, land management, protected areas management, and ecosystems research. It provides agency services related to environmental policies, rehabilitation of ecosystems, sustainable resource use, enforcement of environmental laws and development of green technologies.