We face a climate change crisis, and it is now accepted that we not only need to dramatically reduce our greenhouse gas emissions, but that we also need to remove greenhouse gases from the atmosphere. The Forse Group in the Yusuf Hamied Department of Chemistry are working on "direct air capture" (DAC), an approach where sponge-like materials are used to capture carbon dioxide directly from the atmosphere. The traditional sponge materials for this process have issues including poor long-term stability and/or the need for very high temperatures (up to 900 ºC) to regenerate the sponges for reuse.
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