1. of or relating to the external conditions or surroundings; - Example: "environmental factors"
2. concerned with the ecological effects of altering the environment; - Example: "environmental pollution"
The Collaborative International Dictionary of English v.0.48:
environmental \environmental\ adj.
1. of or pertaining to the environment; as, environmental
2. of or pertaining to the environment (definition 2); as,
environmental pollution; environmental disaster;
environmental cleanup; environmental deterioration.
THOUSANDS of dead fish and other marine species,
suffocated by a rotting, glutinous morass which
spreads over kilometres of coral reefs.
This scenario has all the hallmarks of a unnatural
environmental disaster resulting from environmental
negligence. However this isn't the case, instead the
cause -- coral spawn slick deoxygenation -- is a
natural event which has the potential to occur
periodically on the reefs of the West Pilbara.
WordNet (r) 3.0 (2006):
adj 1: of or relating to the external conditions or
surroundings; "environmental factors"
2: concerned with the ecological effects of altering the
environment; "environmental pollution"