The Download: introducing the 10 climate tech companies to watch for 2025

October 6, 2025
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Introducing: 10 climate tech companies to watch Every year, the MIT Technology Review newsroom produces a list of some of the most promising climate tech firms on the planet. It’s an exercise that…

Bill Gates: Our best weapon against climate change is ingenuity

October 6, 2025
It’s a foregone conclusion that the world will not meet the goals for limiting emissions and global warming laid out in the 2015 Paris Agreement. Many people want to blame politicians and corporations for this failure, but there’s an even more fundamental reason: We don’t have all the technological tools we need to do it,…

2025 Climate Tech Companies to Watch: HiNa Battery Technology and its effort to commercialize salt cells

October 6, 2025
HiNa Battery Technology is a trailblazer in developing and mass-producing batteries using sodium, a widely available element that can be extracted from sea salt. The startup’s products—already powering small vehicles and energy storage plants in China—provide a valuable alternative to lithium-based batteries, made with materials mined and processed in just a few countries. Over the…

How we picked promising climate tech companies in an especially unsettling year

October 6, 2025
MIT Technology Review’s reporters and editors faced a dilemma as we began to mull nominees for this year’s list of Climate Tech Companies to Watch. How do you pick companies poised to succeed in a moment of such deep uncertainty, at a time when the new Trump administration is downplaying the dangers of climate change,…

2025 Climate Tech Companies to Watch: Pairwise and its climate-adapted crops

October 6, 2025
Climate change will make it increasingly difficult to grow crops across many parts of the world. Pairwise is leveraging CRISPR gene editing to develop plants that can better withstand adverse conditions. Pairwise uses cutting-edge gene editing to produce crops that can withstand increasingly harsh climate conditions, helping to feed a growing population even as the…