[
  {
    "id": "win-microbead-ban",
    "issue": "plastics",
    "title": "The microbead ban worked: an 86% reduction",
    "what_changed": "Polyethylene microbead discharge fell by up to 86% in follow-up sampling after the bans",
    "how": "Illinois passed the first state ban (2014); the state win became the template for the federal Microbead-Free Waters Act (2015), which passed with bipartisan support in under two years.",
    "who": [
      "org-alliance-great-lakes",
      "org-ecology-center"
    ],
    "playbook": "Start state-level. Keep the ask narrow, measurable, and hard to defend against. Use one state's success as the federal template.",
    "year": 2015,
    "measurable": true,
    "source_ids": [
      "src-microbead-act",
      "src-microbead-study"
    ],
    "tags": [
      "policy",
      "federal"
    ]
  },
  {
    "id": "win-adopt-a-beach",
    "issue": "plastics",
    "title": "10 million pieces of litter, 25 years of data",
    "what_changed": "Adopt-a-Beach volunteers have removed 10M+ litter items since 2003 and built the region's longest-running community science dataset, with 11,342 volunteers in 2023 alone",
    "how": "Low barrier to entry, consistent protocol, visible local results, and two decades of institutional persistence.",
    "who": [
      "org-alliance-great-lakes"
    ],
    "playbook": "Make participation easy and local. Collect data with a consistent protocol from day one, because the dataset becomes as valuable as the cleanup.",
    "year": 2023,
    "measurable": true,
    "source_ids": [
      "src-adopt-a-beach"
    ],
    "tags": [
      "community-science",
      "mobilization"
    ]
  },
  {
    "id": "win-glpc-cleanup",
    "issue": "plastics",
    "title": "244,000 pieces removed by binational cleanup tech",
    "what_changed": "Great Lakes Plastic Cleanup has removed 244K+ litter items using in-water capture technology across 140+ partner organizations in two countries",
    "how": "Technology (Seabins, LittaTraps) deployed through partner marinas and waterfronts rather than new-built infrastructure, so partners keep their own operations while GLPC coordinates and counts.",
    "who": [
      "org-glpc"
    ],
    "playbook": "Don't ask partners to change how they work. Bring the tool to their existing operations and centralize only the counting.",
    "year": 2024,
    "measurable": true,
    "source_ids": [
      "src-policy-landscape"
    ],
    "tags": [
      "cleanup",
      "binational",
      "coordination"
    ]
  }
]