The Ministry of Environment is assigned by the Royal Government of Cambodia the mission to lead and manage environmental protection, conservation of biodiversity, utilization of natural resources properly and sustainably, and to sustainably sustain long-term benefits of all Cambodians and all Generation in Cambodia, as stipulated in Sub-Decree No. 135 on dated On 5 July 2016, the Ministry of Environment has a General Secretariat of four Ministries of Mines, a Secretariat and General Secretariat of the National Development Board of Sustainable Development (NCCC), with 35 specialized departments.