A scientist whose speciality is environmental science.

The integrated study of factors that influence the environment and environmental systems, especially the interaction of the physical, chemical, and biological components of the environment.

In a manner affecting the environment.

Of, or relating to environmentalism.

(computing) Any factor relating to the physical environment in which hardware is operated, such as the room temperature or the number of racks used to hold equipment.

Pertaining to the environment.

One who advocates for the protection of the environment and biosphere from misuse from human activity through such measures as ecosystem protection, waste reduction and pollution prevention.

Causing lesser, little, or no harm to the environment.

(medicine, social sciences) A theory that views environment, rather than heredity or culture, as the important factor in the development of an individual or group.

plural of environmentalist