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

James Temple

created: Oct. 6, 2025, 10:45 a.m. | updated: Oct. 8, 2025, 12:21 p.m.

We as a publication are focused more on identifying companies developing technologies that can address the escalating threats of climate change, than on businesses positioned purely for market success. We don’t fancy ourselves as stock pickers or financial analysts. We prefer to feature businesses that have established a track record, by raising capital, building plants, or delivering products. Our reporters and contributors add their initial ideas to a spreadsheet. We research and debate the various contenders, add or subtract from our list, then research and debate them all some more.

2 months, 1 week ago: MIT Technology Review