ecofreak

ecofreak

(ˈiːkəʊˌfriːk)
n
(Environmental Science) an environmentalist or a person who is devoted to environmental issues

ecofreak

A militant environmentalist, especially one considered as excessive.
References in periodicals archive ?
and only an ecofreak or tree sapper would say, "Trees.
Indeed, it could be argued that homegrown ecofreaks caused even more widespread harm by leading the campaign against DDT (one of the most effective pesticides created to date), which was banned in 1972 by the Environmental Protection Agency.
If I wanted to be the devil's advocate, and even more the advocates' devil (and environmental protection is full of passionate advocates, sometimes dismissed as ecofreaks, who need demons), I would say that "human development" is logically redundant, and, with Wilfred Beckerman (1955), that sustainable development is either logically redundant or morally repugnant, depending on its interpretation.