The Download: COP31's climate challenge and the quest for immortality

Plus: Nvidia is reportedly preparing to oust CEO Jensen Huang. What to know about this year's UN climate talks Thousands of delegates, lobbyists, and journalists have gathered in Antalya, Turkey, for COP31, the annual UN climate talks. But this year's negotiations are taking place against a particularly tense geopolitical backdrop, as the world falls further behind the Paris Agreement's goals. Energy prices are soaring, and there are big questions about how countries will tackle the climate crisis. Expect a lot of back and forth on fossil fuels and climate finance, and whether negotiators can agree on meaningful action. Here's what you need to know about COP31 .