agree it needs to be done slowly so the industry can build up, but if the guaranteed money is there then the sector would train up employees

I've just been pondering how transformative 10 £3.5bn chunks would be, directed in different places. One for heat pumps, a couple for insulation, one for domestic PV, one for cycle infrastructure, one for EV charger rollout, one for biodiversity, etc...

No - carbon credits should never be done in any quantity other than zero.