What makes a good self-actualizing environmentalist? For Robert Hartman the axiologist, a good X fulfills its concept’s definition. A good self-actualizing environmentalist has attended sufficiently to their lower four need types–physiological, safety, love, and esteem (probably, but not necessarily, in this order). Further, they self-actualize in the 13 ways outlined by Maslow in being creative, spontaneous, humorous, etc.