Pro-conservation, pro-guns and extremely pro-booze, anti-mining, anti-tourism and extremely anti-dams, Hayduke appoints himself protector of the remaining desert regions of the American southwest, and becomes a pioneer in the art of "eco-tage", also known as "monkey wrenching" – using the tools of industry to demolish the infrastructure of industry in the name of the biosphere.
Source: wiktionary
As Abbey notes, in denouncing terrorism but defending ecotage, ‘sabotage is violence against inanimate objects: machinery and property. Terrorism is violence against human beings. […]’ (Dowie 1996, p. 210).
Source: wiktionary
Like Antifa groups, some environmental groups advocate violence or “ecotage” to protect the environment. Some ecotage advocates compare it to protection of minority rights among humans, only in this case, all plants and animals must be protected, sometimes, by violent or disruptive acts.
Source: wiktionary