The natural environment or natural world encompasses all living and non-living things occurring naturally, meaning in this case not artificial.The term is most often applied to the Earth or some parts of Earth. This environment encompasses the interaction of all living species, climate, weather and natural resources that affect human survival and economic activity.

Natural environment. In biology and ecology, the environment is all of the natural materials and living things, If those things are natural, it is a natural environment. Environment includes the living and nonliving things that an organism interacts with, or has an effect on it. ...