Imagine a world without the fear of a climate disaster. Meet the innovators working to make a zero-carbon future possible. | Bill Gates

Become a Gates Notes Insider to get updates on efforts to solve some of the world's toughest challenges, access exclusive content, and more. I can't wait to share the progress with you. | Bill Gates

2021 was an incredibly hard year for many people, including me, but there are reasons to be optimistic that 2022 will be better. You can read my end-of-year post at https://gatesnot.es/2021-in-Review. | Bill Gates