Definition of ecotechnology in English:
ecotechnology
noun ˌiːkəʊtɛkˈnɒlədʒiˌɛkəʊtɛkˈnɒlədʒi
Technology designed to deal with environmental concerns; an instance of this.
Origin
1970s; earliest use found in Bennington (Vermont) Banner. From eco- + technology, after ecotechnological.