2026 Climate Tech Companies to Watch
MIT Technology Review presents its fourth annual list of 10 climate tech companies to watch for 2026. The selection highlights diverse innovations ranging from wind energy and geothermal power to advanced battery storage solutions.
Why it matters
Identifying promising climate technologies is essential for scaling solutions needed to meet global emissions targets and adapt to a warming planet.
10 Climate Tech Companies to Watch Each year, the MIT Technology Review team puts together a list of some of the most promising climate tech companies in the world. Whether early-stage startup or multinational corporation, the businesses we’ve chosen are working on technologies to help us address climate change or adapt to our warming world.
There’s an urgent need for these innovators: We must begin to drastically reduce emissions to avoid the deadliest impacts of climate change, while also contending with its harmful effects.
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