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Director / Editor: Victor Teboul, Ph.D.
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These machines scrub greenhouse gases from the air – an inventor of direct air capture technology shows how it works

By Klaus Lackner, Professor of Engineering and Director of the Center for Negative Carbon Emissions, Arizona State University
Klaus Lackner is finding new ways to cut the technology’s high costs and energy demand, and he’s about to launch the first ‘mechanical tree.’The Conversation


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