Kammala jumla mai zuwa: A matsayin dalibi, Griffen ya zama sananne game da tasirin muhalli da kwayar halitta na rediyo daga gwajin makaman nukiliya na Faransa a Polynesia na Faransa. Ta shiga ƙungiyar masu adawa da nukiliya ta ATOM (Against Testing on Mururoa) kuma ta taimaka wajen kafa cibiyar sadarwa ta Nuclear Free da Independent Pacific. A shekarar 1975 ta kasance cikin rukunin mata 5 'yan Fiji wadanda suka halarci taron kasa da kasa.
Taron Majalisar Dinkin Duniya na Shekarar Mata ta Duniya a Birnin Mexico. Daga baya ta shiga Gangamin Kasa da Kasa don Kawar da Makaman Nukiliya kuma ta gabatar da wata sanarwa a taron Majalisar Dinkin Duniya game da Yarjejeniya kan Haramta Makaman Nukiliya.