MacArthur Foundation: 100&Change Competition

The competition will award a single proposal designed to help solve a critical problem affecting people, places, or the planet. Applicants must identify both the problem they are trying to solve, as well as their proposed solution. Funding: $100 million grant.

https://www.macfound.org/press/press-releases/new-macarthur-competition-award-100-million-help-solve-critical-social-problem/