Main Entry: en·vi·ron·men·tal·ism

Pronunciation: \-ˌvī-rə(n)-ˈmen-tə-ˌli-zəm, -ˌvī(-ə)r(n)-\

Function: noun

Date: circa 1922

1 : a theory that views environment rather than heredity as the important factor in the development and especially the cultural and intellectual development of an individual or group
2 : advocacy of the preservation, restoration, or improvement of the natural environment; especially : the movement to control pollution