CPI report finds organic waste management drew 1% of methane finance

A Climate Policy Initiative assessment coordinated by GAIA found that organic waste management received only 1% (USD 20 million) of methane abatement finance in 2021-22, while 94% of solid-waste funds went to incinerators in Indonesia and Brazil. The findings press the case for inclusive, decentralised waste financing models that Indian municipalities and ESG investors weighing methane mitigation can study.

The Climate Policy Initiative (CPI), under coordination by the Global Alliance for Incinerator Alternatives (GAIA), assessed financing gaps and equity issues in solid waste management across Indonesia and Brazil. Although waste contributes roughly 20% of global human-driven methane emissions, organic waste management received only 1% (USD 20 million) of total methane abatement finance in 2021-22. Around 94% of solid waste funds went to waste-to-energy incinerators, with minimal investment in community-based or decentralised organic models such as Brazilian waste-picker cooperatives.

The misallocation affects municipal waste authorities, informal waste pickers, and community groups in both countries. Brazil allocates 1.9% to 5.1% of municipal budgets to the sector, while Indonesia allocates just 0.3% to 2.4%. Decentralised models show lower Levelized Costs of Waste Management: Brazilian home composting costs as little as USD 1.69 per tonne against private operators at up to USD 324.10 per tonne, and Indonesian community groups range from USD 28 to 63 per tonne. Labour is the largest expense, reflecting employment potential, but short-lived assets strain community finances.

The report sets out four recommendations that affected governments and financiers should act on. First, integrate waste management with public health, environmental quality, and climate mitigation policy. Second, institutionalise stakeholder inclusion of informal workers and community operators through government-led coordination. Third, adopt transparent, measurable indicators to monitor implementation and financial efficiency. Fourth, develop legal recognition and contracting mechanisms for informal stakeholders to enable access to formal financing channels. ESG investors should monitor how these reforms shift capital toward decentralised models and away from incineration-dominated portfolios.

Key figure — Methane abatement finance to organic waste management: 1% (USD 20 million) in 2021-22