"Non-governmental organisations (NGOs) believe Washington is bowing to pressure from its powerful food industry to soften the plan, weaken its call to governments to use weapons such as taxation and advertising restrictions to change eating habits, and leave everything up to individual choice. "
And from the earlier article, to which I gave a link in my post 1:
"It recommends lower intake of sugar, sodium and artery-clogging trans-fatty acids and suggests governments set taxation and subsidy policies to promote healthy eating habits. "
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OK, the UN wouldn't tax "directly", but it's virtually the same thing, when governments have to obey the UN and tax according to UN instructions.