Tons of plastic entering the world's waterways every single year
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Of waterway plastic never recovered — it reaches the ocean
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Trillion pieces of plastic currently floating in the world's oceans
How GRIME works
From watershed to clean water.
01 — Analyze
Watershed Intelligence
Digital elevation models processed through pysheds hydrological algorithms to identify where trash naturally concentrates — before it ever reaches the ocean.
02 — Deploy
Optimal Placement
Sites scored by generation rate, flow velocity, catchment area, and environmental justice index. Deploy collection units precisely where the math says it matters most.
03 — Collect
Autonomous Action
Computer vision classifies debris in real time. The unit fills autonomously, pings operators via LoRa, and resets — closing the loop on waterway trash at scale.
Live system
Every river. Every site. All in one view.
108,772 cities · Real elevation data · Scoring that actually works.
Global reach
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Cities analyzed worldwide
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Countries in the dataset
top 0
Catch efficiency per deployed unit
The unit
Built to float. Built to last.
Solar-powered. Computer vision enabled. Custom PCB. Designed from the ground up for autonomous waterway deployment.