A global carbon removal industry is coming – experts explain the problems it must overcome

By Johanna Forster, Lecturer in Environment and International Development, University of East Anglia
Naomi Vaughan, Senior Lecturer in Climate Change, University of East Anglia

Each of its carbon-sucking units is the size of a shipping container, yet the world’s largest direct air capture machine – the Orca plant in Iceland – only captures and stores about 4,000 tonnes of CO₂ a year. That’s about three seconds’ worth of global emissions.

Still, the Intergovernmental Panel on Climate Change reports…

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