People Helen Hoy Greeley peoplepill id: helen-hoy-greeleyHHG 5 views today 11 views this weekHelen Hoy GreeleyBiographyListsAlso ViewedListsHelen Hoy Greeley is in following listsBy field of workNotable activistsGender:FemaleBy work and/or countryNotable EnvironmentalistsGender:FemaleFrom our partnersSponsoredHelen Hoy Greeley