Challenges
Circular Challenges Hub — real problems from sponsors. Submit a solution or vote on finalists.
Aruba Reef Care Foundation
Completed
Reef-Safe Takeaway Packaging
Takeaway containers are the #1 beach-cleanup find. Source a reef-safe alternative cafés can afford.
Flagship
Caribe Green Logistics NV
Review
Construction Off-Cuts Exchange Pilot
Sites dump usable off-cuts because storing beats sorting. Make exchange cheaper than disposal.
Partner
Fundacion Limpi Aruba
Open
School E-Waste Collection League
Old phones and chargers sit in drawers island-wide. Design a school-vs-school collection league.
Community
Isla Water & Power NV
Open
Cooking Oil → Island Biofuel
Restaurants pay to dispose of used cooking oil while generators import diesel. Close the loop.
Flagship
Blue Horizon Resorts
Open
Hotel Linen Second Life
Resorts retire tonnes of linen and towels every year. Find dignified second lives — locally.
Partner
Aruba Reef Care Foundation
Open
Plastic Beach Party 2026
Single-use plastic washes onto Aruba's beaches faster than volunteer cleanups can remove it. We need scalable, locally-runnable ways to cut the inflow and re...
Flagship