Ecology, a sub-discipline of biology often confused with the environment in general.

Environmentalism, a concern with the preservation of the natural environment

Natural environment, all living and non-living things that occur naturally on Earth

Environmental science, the study of the interactions among the physical, chemical and biological components of the environment

Environmental psychology

Environment variable, the set of environments defined in a process

Environmental policy

Runtime environment, a virtual machine state which provides software services for processes or programs while a computer is running

Desktop environment, in computing, is graphical user interface to the computer

Integrated development environment, a type of computer software that assists computer programmers in developing software

Environmental determinism

List of environmental issues

Built environment, constructed surroundings that provide the setting for human activity, ranging from the large-scale civic surroundings to the personal places

Environmental art

Social environment, the culture that an individual lives in, and the people and institutions with whom they interact

Environmental quality

Environment, the external conditions, resources, stimuli etc. with which an organism interacts (see also habitat and ecological niche).