The “Solve” program at MIT announces five global challenges in 2023, inviting anyone in the world to propose solutions to them. The 2023 challenges include one on climate ecosystems and low-carbon housing. MIT Resilient Ecosystems Challenge seeks technology-based solutions that help communities restore, sustain, and benefit from resilient ecosystems. The winner receives a US$10 thousand grant. Additional prizes (from US$75 thousand to US$150 thousand) for solutions addressing specific challenges are available. The deadline for project draft submission is 09 May 2023