Direct air capture (DAC) technology, which sucks carbon dioxide (CO2) out of the air in various ways, is seen as a potential mitigation for rising emissions of the greenhouse gas. But can such solutions, when proven, be scaled quickly enough? The Irishman arguably best placed to answer these questions and more is Pól Ó Móráin. The Mayoman is recently back from Arizona, and has shared with The Currency some new photos of his company’s first “mechanical tree”, which has been deployed in Tempe, near the US state’s capital Phoenix. The firm he heads up as chief executive, Carbon Collect, is…

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