The Download: 10 climate tech companies to watch

Plus: Musk's new Pentagon role has raised conflict-of-interest fears. Each year, Review puts together a list of the most promising climate tech companies in the world. This year, the stakes feel higher than ever. The world is on track for one of its hottest years on record, climate-fueled disasters are taking lives and costing billions, while political shifts and international conflict have stalled progress. We urgently need to cut emissions and avoid climate change's most harmful effects, and that's where our 10 companies come in. They also reflect the biggest shifts in climate tech--including the surging energy demands of AI data centers.