First US steel plants powered by wind, solar energy are coming for industry with big carbon footprint

A Nucor steel plant in Missouri will be the first in the U.S. powered by wind energy, while an old steel facility in Colorado is transitioning to solar from Xcel Energy. These renewable-energy sources for recycled steel will make a dent in steel's carbon footprint. The industry contributes as much as 7% of global greenhouse gas emissions.

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