That s one way of putting it. and key to the eu s climate plan is emissions trading. this is the president of the european commission. the principle is simple. emissions of c02_ the principle is simple. emissions of c02 must have a price. a price on c02 that _ of c02 must have a price. a price on c02 that has — of c02 must have a price. a price on c02 that has innovators choose a clean _ c02 that has innovators choose a clean technology. under emissions trading, industries are allowed to emit a certain amount of co2 — with the allowance cut, over time. it s the main tool being used to wean...