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ecocidal
ecocidal adj. 
/ˌɛkə(ʊ)ˈsʌɪdl/, /ˌikəˈsaɪd(ə)l/, /ˌɛkoʊˈsaɪd(ə)l/, /ˌikoʊˈsaɪd(ə)l/ destructive of the environment, esp. when intentional or reckless.
Brit. /ˌiːkə(ʊ)ˈsʌɪdl/
, /ˌiːkə(ʊ)ˈsʌɪdl//ˌɛkə(ʊ)ˈsʌɪdl/U.S. /ˌɛkəˈsaɪd(ə)l/
, /ˌɛkəˈsaɪd(ə)l//ˌikəˈsaɪd(ə)l//ˌɛkoʊˈsaɪd(ə)l//ˌikoʊˈsaɪd(ə)l/ΘΚΠ
the world > action or operation > harm or detriment > [adjective] > harmful or injurious > to or for some thing or person > to the environment
ecocidal1970
ecotoxic1978
unfriendly1978
ungreen1988
1970 Guardian Weekly 15 Aug. 18 Beyond that lie the use of ecocidal weapons—herbicides in Vietnam—and ‘humane incapacitants’.
1973 Bull. Peace Proposals 4 i. 84/2 It is also important to distinguish between specific occasions of environmental warfare and persistent patterns of warfare that produce cumulative effects on ecosystems that can be properly called ‘ecocide’ or policies that can be designated ‘ecocidal’.
2003 Vanity Fair (N.Y.) Oct. 136/1 The parched and drained habitat of the southern freshwater marshes, dried out and burned by Saddam in a ecocidal attempt to punish the stubborn resistance to his awful will.
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