It all sounds great but is it any more likely than the 200000 affordable homes, 40 hospitals, assorted bridges, high speed railway, World- beating track and trace systems, oven ready deals that he has previously promised.
It looks to me like another grandiose, vague, uncosted, blue sky idea from the adolescent mind of our prime minister designed to fill the pockets of his consultant chums and look good for COP26.