英国国家审计署：2025年英国排放交易系统报告（英文版）

The UK Emissions Trading Scheme (the Scheme) is a key policy for the government to achieve its net zero ambition. The Scheme works as follows: • the government sets a cap, divided into individual allowances, on the level of emissions that UK participants in the Scheme, such as power stations, are allowed to emit over a given period; and • participants in the Scheme can trade allowances in order to account for their annual emissions, which in turn sets a price on their carbon emissions. 2 The