A forester is a person who practices forestry, the science an profession of managing forests. Foresters engage in a broad range of activities including timber harvesting, ecological restoration and management of protected areas. What these fields have in common is they manage terrestrial natural resource for the benefit of humans. Foresters manage forests to provide a variety of benefits for humans including direct extraction of raw material, recreation, conservation, hunting and, aesthetics, as well as the less tangible benefits such as clean air and improved water, and others.