2024年全球废物管理展望报告（英）-116页_6mb

Summary of "Global Waste Management Outlook 2024"

This report by the United Nations Environment Programme (UNEP) addresses the pressing issue of municipal solid waste (MSW) management globally. The key points are:

1. The Challenge:

• Scale of Waste: Over 2.1 billion tonnes of MSW is generated annually, expected to grow 56% by 2050 if no action is taken.
• Environmental Impact: Waste contributes significantly to climate change (e.g., methane from landfills), biodiversity loss, and pollution.
• Inequities: Low-income regions lack waste management infrastructure, while high-income regions generate disproportionate waste but also face challenges.

2. Current Management:

• Most waste is managed via landfilling or waste-to-energy, but with significant environmental and health costs.
• Recycling rates are low (19% globally), hindered by inadequate collection and technical barriers.

3. Future Scenarios:

• Three pathways differing in waste reduction:
  • Waste Management as Usual (WMU): Uncontrolled waste increases.
  • Waste Under Control (WUC): Progress improves waste management.
  • Circular Economy (CE): Recycles 60% globally, upholding waste reduction and climate goals.

4. Key Obstacles:

• Data Deficits: Poor data tracking limits informed policy-making.
• Economic and Social Justice: Informal waste workers are undervalued, and gender-specific roles in waste management are overlooked.
• Legislative and Enforcement Weakness: Gaps in regulations and policies allow ongoing waste mismanagement.

5. Solutions and Pathways:

• Prioritize Prevention: Adopt a circular economy model to reduce waste generation.
• Invest in Technology: Use digital tools, life cycle assessments, and recycling innovations.
• Inclusive Approach: Value informal workers and collect gender-disaggregated data.
• Policy Actions: Implement Extended Producer Responsibility (EPR), taxonomies for waste, and integrate waste reduction into climate policies (NDCs).

The report concludes that transitioning to sustainable waste management is not only an environmental necessity but also a socio-economic opportunity, promoting equity and climate resilience.