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The Conversation USA

The Conversation USA

How 'mechanical trees' pull carbon dioxide from the air and lock it away – an inventor of direct air capture tech explains

  • Written by Klaus Lackner, Professor of Engineering and Director of the Center for Negative Carbon Emissions, Arizona State University
imageOne 'mechanical tree' is about 1,000 times faster at removing carbon dioxide from air than a natural tree. The first is to start operating in Arizona in 2022.Illustration via Arizona State University

Two centuries of burning fossil fuels has put more carbon dioxide, a powerful greenhouse gas, into the atmosphere than nature can remove. As that CO2...

Read more: How 'mechanical trees' pull carbon dioxide from the air and lock it away – an inventor of direct...

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