Rubuta ci gaba don wannan sakin layi - A lokacin 1989 <unk> 1993 da 1998 <unk> 2002 Garrett shine Shugaban Gidauniyar Kula da Australiya, yayin da a lokacin 1993 <unk> 1998 ya kasance a cikin Kwamitin Kasa da Kasa na Greenpeace. A cikin 1990 Kamfanin Midnight Oil ya buga wani abincin rana da aka shirya a gaban hedkwatar Exxon a New York tare da rubutun rubutu, "Midnight Oil Makes You Dance, Exxon Oil Makes Us Sick", don nuna rashin amincewa da zubar da man fetur na Exxon Valdez
shekarar da ta gabata.