Brimstone’s low-carbon cement claim depends on a wider minerals-refinery model: cement, SCM, alumina and future metals from one rock.

Cement decarbonization is not one magic binder. The pathway is less Portland cement, lower clinker, better materials, renovation, mass timber and some CCS.

Brimstone’s low-carbon cement claim depends on a wider minerals-refinery model: cement, SCM, alumina and future metals from one rock.