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