Steel is the signature material of the Industrial Revolution. It’s also an essential component of the wind turbines, electric cars, and climate-friendly buildings we’ll need in a decarbonized world. But making steel requires mountains of coal. So we both really need steel and really need to stop making it the way we’re doing now.

This is Threshold Season 4: “Time to 1.5.” In this episode, we explore the costs and benefits of our industrial processes on people, communities, and the climate through the story of Gary, Indiana.

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