As a lineal representation, it shows a de-carbonization between 2012 and 2015 that has not happen. The numbers will be updated based on the Bi-annual Update (BUR) set for the end of 2015. - Trayectoria de Emisiones (T CO2e) Projected EmissionsMaximum Net Emissions Limit for Greenhouse Gases. Scope 100% of national emissions accounted for in the National Greenhouse Gas Inventory Gases Included â Carbon Dioxide (CO2 ) â Methane (CH4 ) â Nitrous Oxide (N2 O) â Hydrofluorocarbons (HFCs) â Perfluorocarbons (PFCs) â Sulfur hexafluoride (SF6 ) Period Absolut Maximum Limit e by 2030 Transparency and Accountability Costa Rica has adopted an Open Government policy. It is looking into strengthening accountability mechanisms, information access and availability, and citizen participation.