Greenhouse Gases:Carbon Dioxide (CO2). Methane (CH4). Nitrous oxide (N2O). Coverage: Nation-wide. Planning processes. Planning processes will be based on the NDS, the National Policy on Climate Change, the Climate-Compatible Development Plan (CCDP), and the National Adaptation Plan of Action (NAPA-DR).These instruments articulate public policy on strategic areas where indicators have been established for the decarbonization of the economy and society, and relevant aspects for effective climate change adaptation.