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A river‑deployed filtration system that skims free oils, sieves microplastics, and routes captured pollutants into recycling modules—turning waste into raw feedstock for new oil and plastic products.

Explore how tapping deep geothermal reservoirs across the U.S. can phase out fossil‑fuel pipelines and feed next‑generation undersea HVDC interconnectors for a resilient, carbon‑free national grid.

A neighborhood garden network whose produce sales underwrite municipal services, supply affordable farm‑fresh vegetables to restaurants, and feed food‑insecure residents.

Discover how planting fruit trees and edible gardens along sidewalks can transform neighborhoods—providing free fresh food, greening public space, and funding community stewardship through four innovative pay‑program models.