I'm sure you can find examples of disaster caused by organic farming (a humanure spill upriver of a drinkable water uptake? :-) En un viejo país ineficiente, algo así como España entre dos guerras civiles, poseer una casa y poca hacienda y memoria ninguna. -- Gil de Biedma
Transparency of the Units in issue, as is a "framework of trust" and the need for due diligence in ensuring suppliers' capability to supply.
The proposal creates virtual financial markets in gas Units which are linked to, but which do not affect, the underlying physical market. The physical market price formation for gas, and the price at which producers sell Units into a "Gas Pool" are an interesting subject.
Infrastructure such as terminals, pipelines and shipping could gradually be assimilated into a global monopoly in common ownership, and operated by a networked consortium of service providers receiving an agreed proportion of gas sale revenues.
I don't know exactly how the market would develop globally in practice, but I am quite sure that the commercial logic for consumers and producers alike is compelling. "Any economic unit can emit money. The serious problem is to get it accepted" Hyman Minsky