en·vi·ron·men·tal 
(ĕn-vī′rən-mĕntl, -vī′ərn-)
(ĕn-vī′rən-mĕntl, -vī′ərn-)adj.
1. Relating to or associated with the environment.
2. Relating to or concerned with the impact of human activities on the natural environment: the environmental movement.
3. Relating to potentially harmful factors originating in the environment: environmental illness.
en·vi′ron·mental·ly adv.