Dedicated to causes spanning sustainability, animal welfare, health, technology, and adventure, Priyanka Chopra, Ewan McGregor, Sabrina Elba, Idris Elba, Harrison Ford, Alia Bhatt, Russell Westbrook, and Shailene Woodley make an enormous impact on the world every single day. The National Geographic 33—inspired by our 33 founders—is an initiative honoring changemakers who are rising to meet the most critical challenges of our time, making meaningful progress and incredible breakthroughs. See the