Cast (20)
Reinhold MessnerSelfDaphne SheldrickSelf
Russell SchweickartSelf
Jacques MayolSelf
Tenzin GyatsoSelf
Frank DrakeSelfGeorge DysonSelf
Freeman DysonSelfNainoa ThompsonSelfJames LovelockSelfShigeo NozawaSelfHatsume SatoSelf
Gerry LopezSelf
Jane GoodallSelfBokunen NakaSelfErvin LaszloSelf
Ravi ShankarSelfKelly YostSelfRoger PayneSelf
Anoushka ShankarSelf