Generate text that refutes this claim: Carbon Trading Schemes  The EU ETS is an example of a viable carbon market, it covers thirty countries from the EU as well as Iceland, Liechtenstein and Norway. Countries within the ETS are using market mechanisms to force domestic emitters to meet national caps as the amount of allowances reduces over time emissions fall. In 2020 under the ETS emissions will be 21% lower than in 2005 1. The IPCC report contains recommendations for how emissions can be abated through the simultaneous application of numerous small reductions and the implementation of abatement technologies and this is exactly what schemes like the ETS encourage. Part of the reason that the ETS is successful is that it is ensuring an even playing field between countries by (more or less) applying its rules equally across borders and industries.2  1. European Trading System, 2010  2. European Commission Climate Action, 'Emissions Trading System'
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Carbon trading systems may have the effect of slowing the rise in CO2 emissions, and possibly even creating a fall. However this will not solve the problem as changes are already occurring and there may be no way to stop feedback that creates more emissions.