Homes built out of bamboo shoots. Zero-emission hydrogen fuels for cars and jets. Small nuclear reactors to power Africa. Restoring ocean mangroves to store carbon.
Dozens of world leaders are gathered in Sharm el-Sheikh, Egypt, this week for the U.N. climate summit, known as COP27. They’re debating how to minimize the dangers of climate change and looking toward experimental technologies for help, as worries reach new highs.