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.@phil_renforth from @cardiffuni gives the final keynote – on enhanced weathering.
He starts by saying it makes a change from being the novelty talk at conferences:
“It’s nice being the main course rather than an hor d’oeuvre” #negco2
The potential for enhanced weathering (EW) is “almost unlimited”, says @phil_renforth. "It’s a resource optimisation issue; we’re not going to run out of material” #negco2
In our session on weathering a global potential of terrestrial EW was suggested at ~3 Gt CO2 per year. there are additional proposals that do not use land for dissolution. In the context of current mineral extraction a global future potential 1-10 Gt seems plausible.
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