The venerable magazine calls the list "National Geographic 33", where the number stands for 33 individuals whose creative ideas and "unstoppable drives" make the world a better place.
Selena Gomez is highlighted for her efforts to promote mental health on a global scale, not only because she dares to show her vulnerability publicly but also for her idealistic work in Rare Impact Fund.
Björk has been selected because she is an "out-of-this-world musician who gives a lesson in environmentally related pragmatism".
Every time I do something on Iceland, I always get in touch with environmental groups. We meet in my living room over a cup of coffee, the Icelandic artist tells the magazine.
Among the others on the list are the actors Edward Norton, Jason Momoa, and Michelle Yeoh.
