| Environmental Impact Assessment Act             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Nigeria             | 
                                                                                                        1992             | 
                  
              
                                                                                                        | Nitrogen Oxides (NOx) Charge             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Sweden             | 
                                                                                                        1992             | 
                  
              
                                                                                                        | Operation of Building Infrastructure Systems             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Switzerland             | 
                                                                                                        1992             | 
                  
              
                                                                                                        | Tax Deduction for Investments in Energy Efficiency & Renewable Energy by Enterprises             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Belgium             | 
                                                                                                        1992             | 
                  
              
                                                                                                        | Tax Incentives for Building Refurbishment             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Switzerland             | 
                                                                                                        1992             | 
                  
              
                                                                                                        | Transport Planning (Flanders)             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Belgium             | 
                                                                                                        1992             | 
                  
              
                                                                                                        | GHG Tax             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Denmark             | 
                                                                                                        1992             | 
                  
              
                                                                                                        | Creation of ADEME             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        France             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | Directive concerning the protection of waters against pollution caused by nitrates from agricultural sources             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        European Union             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | Electricity Feed-In Law ("Stromeinspeisungsgesetz")             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Germany             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | Emissions standards for two- and three-wheeled vehicles             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        India             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | Federal Buildings Initiative             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Canada             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | Gas Guzzler Tax             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        United States of America             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | Integrated Energy Act             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Republic of Korea             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | Integrated Energy Supply Act             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Republic of Korea             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | Measures to promote distributed generation and market liberalisation             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Italy             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | National Programme for Energy Efficient Use of Petroleum and Natural Gas Derivatives - CONPET             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Brazil             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | Nitrates Directive             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        European Union             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | Small Ethanol Producer Tax Credit             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        United States of America             | 
                                                                                                        1991             | 
                  
              
                                                                                                        | CO2 Tax             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Norway             | 
                                                                                                        1991             |