Wisdom is a condition of consciousness rather than an attitude of mind. Wisdom is that state of being in which an individual finds himself when realization has tinctured and transmuted all attitudes and opinions. A wise man is one who has experienced wisdom, wisdom in this sense being a mystical experience.
Freud made the discovery- quite genuinely, simply through working on his own material- that the more deeply one explores the phenomena of human individuation, the more unreservedly one grasps the individual as a self-contained and dynamic entity, the closer one draws to that in the individual which is really no longer individual.
Although reducing human emissions to the atmosphere is undoubtedly of critical importance, as are any and all measures to reduce the human environmental "footprint", the truth is that the contribution of each individual cannot be reduced to zero. . . if we believe that the size of the human "footprint" is a serious problem (and there is much evidence for this) then a rational view would be that along with a raft of measures to reduce the footprint per person, the issue of population management must be addressed