B2the protection of plants and animals, natural areas, and interesting and important structures and buildings, especially from the damaging effects of human activity: wildlife conservationa conservation areaEnvironmental issuesRubbish and wasteProtection and protectorsProtection and protectorsEnvironmental issuesC1carefully using valuable natural substances that exist in limited amounts in order to make certain that they will be available for as long a time as possible: the conservation of coal/gas/oil reservesEnergy conservation reduces your fuel bills and helps the environment.Environmental issuesRubbish and wasteProtection and protectorsProtection and protectorsEnvironmental issuesconservationist
/-ɪst/noun[C]›Conservationists are fighting to save the tiger.Protection and protectorsEnvironmental issues