Iron Software funds a river barrier in Bangkok targeting 200 tonnes of plastic recovery. Seven Clean Seas employs 124 collectors formally, backing human-led cleanup over tech-first solutions.
Iron Software is backing a river barrier in Bangkok's Bang Kachao peninsula, funding a system that targets 200 tonnes of plastic recovery this year. The developer tools company, which operates a regional office in Thailand, partnered with Seven Clean Seas to manufacture, install and run the floating barrier for twelve months. The barrier sits on the interior side of a water gate within the klong network, designed to intercept plastic before it reaches the Chao Phraya River and the Gulf of Thailand.
The partnership reflects a deliberate choice. Seven Clean Seas CEO Tom Peacock-Mayson said the organisation prioritizes human-led infrastructure over automated or technology-first solutions.
"If you draw a map of poverty and overlay it with a map of plastic leakage, the same places light up," he said. "The underlying problem driving plastic pollution is poverty. We can't go into these communities with automated systems that don't generate formal employment. We need to support people–less tech, more people."
Seven Clean Seas employs 124 waste collectors formally, with long-term contracts, legal minimum wage, social security, holiday pay and parental leave. Peacock-Mayson said he does not know of another waste management organisation doing that.
"These frontline workers are treated like white-collar workers," he said. "When someone knows they're going to get paid next week–even if they get sick or break their leg–they make long-term financial decisions. That's what drives systemic change."
The Bang Kachao project started with an unlikely partnership. Four years ago, Seven Clean Seas connected with Wat Chak Daeng, a Buddhist temple on the peninsula's southwest coast. The monks had already developed a circular economy: collecting PET bottles, sending them for recycling into polyester, dyeing the material orange and turning it into robes. The temple's work earned coverage in Forbes. When Seven Clean Seas developed the Hippo–a 13-metre solar-powered catamaran with a conveyor belt that lifts plastic from the water–and needed a deployment location, the head monk saw an opportunity. Plastic was accumulating outside the temple. He invited Seven Clean Seas to install the Hippo there.
"That partnership was actually our first MOU," Peacock-Mayson said. "The monks have been doing this work for years. They've got a full recycling facility now. They're aggregating waste from the local community, stopping it before it even gets into the environment, and selling recyclable material back into the industry."
Seven Clean Seas now holds memoranda of understanding with all six sub-districts of Bang Kachao and Thailand's Department of Marine and Coastal Resources. The organisation also runs a separate manual cleanup team of 20 people who work daily in the mangroves, retrieving plastic by hand from areas inaccessible to equipment. Together, the klong barriers, mangrove teams and river-based Hippo form an integrated system targeting plastic at multiple points before it reaches the ocean.
Iron Software has donated more than $50,000 to environmental causes through 2025, including contributions to TeamSeas and 1% for the Planet, alongside its ongoing EcoGrant program. CEO Cameron Rimington said the partnership's emphasis on people resonated with how the company thinks about its own work.
"We build developer tools, we've never believed the technology does the work on its own," he said. "Our customers–the developers and engineers who use our libraries–are the ones building brilliant things. We provide the tools, they provide the talent and creativity. Seven Clean Seas operates the same way. They've got river barriers and systems, it's the 124 people they employ who actually make the difference. That's a philosophy we understand and wanted to support."
Chief Technology Officer Jacob Mellor said the partnership stood out because it was not chasing technological novelty.
"There's a tendency in the tech industry to fund solutions that look like us–drones, AI, robots," Mellor said. "When we looked at Seven Clean Seas, we saw an organisation putting people at the centre. That's the whole point. Tech doesn't solve problems. People do. We just try to give them better tools."
The grant was disbursed in March 2026. Impact reporting will be shared throughout the twelve-month term, and the partnership includes an opportunity for an Iron Software representative to visit the site. Peacock-Mayson said Seven Clean Seas is seeking additional partners to help fund ongoing operations–ideally one partner for every tonne of the 200-tonne target.
"Seven Clean Seas can't fix this problem alone, with our partners we can make a dent–and more importantly, we can create a playbook for other organisations to follow," he said. "We don't hide anything about how we operate. We want people to replicate what we do. A thousand Seven Clean Seas would make a real difference."
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