| Voluntary carbon budgets on company leve |  |  | South Africa | 2017 | 
              
                                                                                                        | Korea Emissions Trading Scheme (KETS) |  |  | Republic of Korea | 2015 | 
              
                                                                                                        | Domestic Emissions Trading Pilot Scheme for Korean Industries and Power Sector |  |  | Republic of Korea | 2015 | 
              
                                                                                                        | Emissions Trading Scheme |  |  | Kazakhstan | 2013 | 
              
                                                                                                        | Carbon Pollution Reduction Scheme (CPRS) - Emissions Trading Scheme |  |  | Australia | 2012 | 
              
                                                                                                        | Act No. 414/2012 Coll. on Emission Trading |  |  | Slovakia | 2012 | 
              
                                                                                                        | Act No. 414/2012 Coll. on Emission Trading |  |  | Slovakia | 2012 | 
              
                                                                                                        | Act on the Allocation and Trading of Greenhouse Gas Emissions Rights regulated by Enforcement Decree of Allocation and Trading of Greenhouse Gas Emissions Rights Act |  |  | Republic of Korea | 2012 | 
              
                                                                                                        | Decree on Activities and Greenhouse Gases for Which a Permit for Greenhouse Gas Emissions is Required or Monitoring of Greenhouse Gas Emissions Should Be Implemented |  |  | Slovenia | 2011 | 
              
                                                                                                        | Carbon Reduction Commitment Energy efficiency Scheme |  |  | United Kingdom | 2010 | 
              
                                                                                                        | Act on Aviation Emissions Trading (34/2010) |  |  | Finland | 2010 | 
              
                                                                                                        | Revision of the EU Emission Trading System (EU ETS) |  |  | European Union | 2009 | 
              
                                                                                                        | Exemption from CO2-Tax (Emissions Trading Scheme) |  |  | Switzerland | 2008 | 
              
                                                                                                        | Regional Greenhouse Gas Initiative (RGGI) |  |  | United States of America | 2008 | 
              
                                                                                                        | Emissions Trading Scheme |  |  | New Zealand | 2008 | 
              
                                                                                                        | Canadian Participation in the Midwestern Greenhouse Gas Accord |  |  | Canada | 2007 | 
              
                                                                                                        | Canadian Participation in the Western Climate Change Initiative |  |  | Canada | 2007 | 
              
                                                                                                        | The Ecological Code of the Republic of , No. 212 of 2007 and Amendment to said legislation on 3 December 2011 |  |  | Kazakhstan | 2007 | 
              
                                                                                                        | Canadian emissions trading scheme |  |  | Canada | 2006 | 
              
                                                                                                        | Law 1/2005 Regulating the GHG Emission Rights Trading Scheme and Creating the Climate Change Policy Coordination Commission (CCPCC) |  |  | Spain | 2005 |