Environment, the external conditions, resources, stimuli etc. with which an organism interacts
Natural Environment , all living and non-living things that occur naturally on Earth
Built Environment , constructed surroundings that provide the setting for human activity, ranging from the large-scale civic surroundings to the personal places
Environmental Science , the study of the interactions among the physical, chemical and biological components of the environment
Environmentalism , a concern with the preservation of the natural environment
Social Environment , the culture that an individual lives in, and the people and institutions with whom they interact
