biocide

noun

1. (countable, uncountable)Any action or substance that can destroy living organisms.

   “[T]here is the inability of the Christian world to respond in any effective way to the destruction of the planet. […] There is this terrible lack of concern for biocide or geocide. We have no moral principles to deal with them. […] Somehow, when I was quite young, I saw the beginning of biocide and geocide.”