Church Hill School at Grimston and Pott Row First, both near King's Lynn, have shut despite a campaign to keep them open - as well as Grimston Juniors.

BBC: Norfolk schools close in education shake-up

"If you want to achieve the sort of carbon reductions we're talking about... either we can't do it without CCS or it would be much more expensive, " says Malcolm Grimston, associate fellow at the Oxford Institute of Energy Studies.

BBC: Carbon dioxide from industry could be buried offshore