Carbon is already assigned a price through the European cap-and-trade mechanism, but the system is focused on the short term, vulnerable to gaming and plagued by hugely fluctuating prices.

• 通过欧洲的上限与贸易机制，碳成分已经计入价格中，但是此制度主要短期适用，且因其自身漏洞及受困于电价巨幅波动而深受影响。