If the steel industry were a country, it would be the world's third-largest emitter. So to prevent a climate catastrophe, this industry has to change. And not just a little bit: we have to fundamentally transform how we make one of the most versatile, durable, widely used materials human beings have ever created. That's exactly what a group of companies in northern Sweden is aiming to do. 

This is Threshold Season 4: “Time to 1.5” In this episode we travel to northern Sweden to explore how a greener process could revolutionize the iron and steel industry, dramatically reduce fossil fuel emissions, and make life better for people in industrial communities.

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