Acknowledgement
The authors would like to thank the Mayor of Muangklang Municipality, and his staff for their support to conduct the field survey and to collect necessary information and data. The authors acknowledge the financial support from the Ministry of the Environment Japan (MOEJ) under the project of MRV capacity building in Asia for the establishment of new market mechanisms. Valuable comments from Jose Antonio Puppim de Oliveira, Tonni Agustiono Kurniawan and anonymous reviewers are also greatly appreciated.