Importance of Accurate GHG Estimation for the Effective Promotion of Mitigation Policies
This chapter explains the importance of accurate estimation of greenhouse gas (GHG) emissions for effective promotion of mitigation policies at the national and regional levels. Between 2011 and 2014, the Ministry of Environment of Indonesia and Japan International Cooperation Agency (JICA) conducted a pilot project in the provinces of North Sumatra and South Sumatra to enhance the quality of their GHG inventory in the waste sector. Through the pilot project, methodologies for developing accurate activity data were developed, resulting in a decrease of GHG emissions from solid waste disposal sites (SWDSs) by approximately 30 %. Methane emissions from SWDSs in other provinces are also expected to decrease by approximately 30 % because their GHG estimation methods are similar to what had been the case in North Sumatra and South Sumatra before the pilot project started. This indicates the necessity of updating the national action plan for GHG emission reduction (RAN-GRK) along with the improvement of the GHG inventory.
KeywordsGHG inventory Mitigation action Methodology Tier Waste sector Waste composition survey Dry matter content survey Waste stream survey
The authors would like to express our utmost gratitude to all those who supported the pilot project activities, the North Sumatra and South Sumatra Environmental Agency, Kota Prabumulih, Kabupaten Lahat, Kota Tebing Tinggi, the Bandung Institute of Technology, Sriwijaya University, North Sumatra University, Mr. Febrian Hadianta, the KLH SIGN center staff, and the waste pickers at the solid waste disposal sites. Further, the authors are sincerely grateful to Dr. Kousuke Kawai from the National Institute for Environmental Studies in Japan for sharing his views and providing guidance based on his wealth of professional experience.
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