The Top 5 Climate Tech Stories of 2025

Photo of the device that performs onsite ammonia synthesis from water vapor and nitrogen in the air. The device is shown on the Stanford campus. Image credits: Song et al / Stanford University. CC BY-NC 4.0 (image was cropped). Article by Lucas Laursen. IEEE Spectrum – December 28, 2025.

The skies may have rained on this year’s big climate summit in Belém, Brazil, but engineers have invented plenty of exciting climate tech this year worth celebrating. Here are some of the year’s top IEEE Spectrum climate technology stories: […]

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