世界自然保护联盟IUCN：2026年应对海洋塑料污染的“源至海”（S2S）方法：政策、法律和机构展望报告（英文版）

The effectiveness of a S2S approach depends on the policy, legal and institutional frameworks and mechanisms in place to coherently regulate land, freshwater, coastal and marine ecosystems. The governance challenge to implement such an approach is that commonly, States regulate these ecosystems and natural resources in silos, often with gaps as well as contradictions and fragmentation. Most of the times, national environmental strategies, plans and agendas focus on specific environments and s