Research suggests iron and steel industry waste could be used to lock away carbon for millennia
As recent extreme weather events in the northern hemisphere have demonstrated, global heating is so far advanced that we will have to rely on some forms of carbon capture to prevent the worst impacts of the climate emergency.
Research presented at the Goldschmidt conference in Lyon, France, this month suggests that slag, the waste produced by the iron and steel industry, could be used to lock away carbon dioxide for thousands of years.
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