Kammala jumla mai zuwa: A lokacin 1989 <unk> 1993 da 1998 <unk> 2002 Garrett shine Shugaban Gidauniyar Kula da Lafiyar Australiya, yayin da a lokacin 1993 <unk> 1998 ya kasance a cikin Kwamitin Kasa da Kasa na Greenpeace. A cikin 1990 Midnight Oil ya buga wani abincin rana da aka shirya a gaban hedkwatar Exxon a New York tare da banner mai karantawa, "Midnight Oil Makes You Dance, Exxon Oil Makes Us Sick", yana nuna rashin amincewa da
Fitar da man fetur na Exxon Valdez a shekarar da ta gabata.