I would envision it as a money that don't go to the general pile of tax-raised money which becomes the country's government budget, but be kept separate and be

I would envision it as a money that don't go to the general pile of tax-raised money which becomes the country's government budget, but be kept separate and be used for investments in recycling and environemtn protection. I am not a lawyer and have no idea if this is a thing anywhere, but it seems so logical. You raise money off an ecological problem and use them, directly, to solve the ecological problem (and others).