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Scaling river mouth barriers across the metropolitan area
A Metropolitan Municipality · Brazil · Americas · Presented on 4 September 2026
About the project
Installing the floating barrier model proven in the pilot at 6 river mouths and operating it for two years.
Climate mitigation and adaptation benefits
Keeps plastic out of the mangrove fringe that shelters the estuary, so the vegetation keeps storing carbon and keeps absorbing storm surge instead of being smothered by debris.
Ecosystem restoration potential
Removes floating waste before it reaches the feeding grounds of the estuary, and cuts the entanglement risk for birds and turtles at the river mouths.
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