This document sums up the result of MERIT(Methane Emissions Reduction Initiative for Transparency) Project, aimed at developing (1) a more credible and applicable methane emission measurement method for landfills in the Indonesian context, (2) more accurate, science-based baseline emissions data for landfill methane, and (3) recommendations for preventing methane emissions at landfills and calculating methane emission reductions to support the development of more effective and sustainable waste management strategies.