废物危机_加速国家到地方的政策行动——可持续解决方案的循证战略（英）-120页_14mb

The Waste Crisis: Accelerating National to Local Policy Action Summary

Humanity faces a growing waste crisis, with global municipal solid waste (MSW) generation projected to double by 2050, reaching approximately 4.6 billion tons annually. Generating pressures stem from unsustainable production and consumption patterns, compounded by inadequate management systems. The severity of the crisis is disproportionately felt in low-income countries, where only 62% of waste is managed in controlled facilities—just 49% worldwide is properly handled. Key concerns include:

• Health impacts: Poor waste management contributes to millions of premature deaths through pollution-related diseases.
• Environmental degradation: Waste accounts for 20% of human-caused methane emissions, altering habitats and exacerbating climate change.
• Economic losses: $300 billion (USD) in annual external costs, 51% from environmental damage alone.

At the heart of the crisis are governance gaps, including limited data collection, weak enforcement, and insufficient capacity building. National policies often fail to translate effectively to local implementation. Data disparities prevent evidence-based decision-making, while informal sectors—dominated by women and vulnerable populations—remain undervalued despite handling a significant portion of waste management tasks globally.

The transition toward sustainable waste management requires a comprehensive systems approach, prioritizing circular economy principles. Recommendations center on:

1. Enhancing data quality with standardized metrics and full cost accounting.
2. Building capacities at all governance levels to execute circular economy plans.
3. Fostering public-private partnerships that include informal operators and address their specific needs.
4. Implementing life cycle thinking, extending responsibility from producers to consumers.

Countries like Sweden (already closing landfills) and Republic of Korea (circular economy framework) demonstrate achievable pathways. Overall, accelerating policy actions from national to local levels is essential to mitigate waste pollution and achieve the Sustainable Development Goals.