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The peril here is that we don’t in fact want each and every supplier, company and producer to be climate or emissions neutral. We desire the system as a whole to be which is a rather different concept.
The making of virgin steel (ie, not recycling using an arc furnace, but making from iron ore in a blast) requires the use of coke. The making of cement is the very process of driving CO2 off the source mineral. There are certain processes which simply cannot be made carbon neutral.
On the other side there are things like planting forests – climate positive or emissions negative, your choice of phrase. – or iron fertilisation of the Southern Ocean, or sucking the CO2 out of the air or, or …..and so on. None of which will ever make economic sense unless there is some method of transferring funds from those who must emit to those who can negative emit. We simply must have that offsetting if any of the clever schemes to have those negative emission are ever to happen.
Thus the base insistence that everyone must be carbon neutral, in fine detail, is incorrect in itself. That’s not what we want to happen at all.
Thus, obviously enough, the scheme fails, doesn’t it?