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In page Climate change in the United Kingdom:

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The UK Emissions Trading Scheme is a massive part of carbon governance. While it has been argued that this is an attempt to allow markets to govern carbon emissions by incentivising their proper management[1] and allowing them to be traded and priced by supply and demand, the hierarchical influence of the governmental institutions, the EU and DECC, are still evident and prevent emissions trading in England in its current form being considered market governance. There are two emissions trading systems operating in England at this present moment,[citation needed] and the way in which they are governed is emblematic of the hierarchical nature of carbon governance at the national level.