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Monday, October 27, 2025

The Obtain: Greener metal, and what 2025 holds for local weather tech


As of 2023, practically 2 billion metric tons of metal have been being produced yearly, sufficient to cowl Manhattan in a layer greater than 13 ft thick.

Making this metallic produces an enormous quantity of carbon dioxide. Total, steelmaking accounts for round 8% of the world’s carbon emissions—one of many largest industrial emitters and way over such sources as aviation.

A handful of teams and firms are actually making critical progress towards low- or zero-emission metal. Amongst them, the Swedish firm Stegra stands out. The startup is at the moment constructing the primary industrial-scale plant on the earth to make inexperienced metal. However can it ship on its guarantees? Learn the total story.

—Douglas Important

Inexperienced metal is one among our 10 Breakthrough Applied sciences for 2025, MIT Know-how Overview’s annual record of tech to look at. Try the remainder of the record, and forged your vote for the honorary eleventh breakthrough.

2025 is a essential yr for local weather tech

—Casey Crownhart

I like the recent begin that comes with a brand new yr. And one factor including a lift to my January is our latest record of 10 Breakthrough Applied sciences.

As I used to be trying over the completed record this week, I used to be struck by one thing: Whereas there are some entries from different fields which might be three and even 5 years away, all of the local weather objects are both newly commercially accessible or simply about to be. It’s actually apt, as a result of this yr particularly appears to be bringing a brand new urgency to the struggle in opposition to local weather change. It’s time for these applied sciences to develop up and get on the market. Learn the total story.

This story is from The Spark, our weekly local weather and power e-newsletter. Enroll to obtain it in your inbox each Wednesday.

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