Borja Blanco
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A Claude Code Skill That Builds, Researches and Stress Tests Business Models
I wrote two Claude Code skills that build, research and stress test business models, published them under an MIT licence, and pointed them at a project I ran myself. In 2021 I worked with the Government of Seychelles on ReNeT, a circular economy project for the industrial tuna fleet’s end-of-life fishing nets. The system design…
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VSME Reporting for SMEs: An AI Workflow for the Voluntary Standard
The 2026 Omnibus rollback narrowed mandatory CSRD reporting to the largest companies, those over 1,000 employees and €450 million turnover. It did not remove sustainability data from the economy. It pushed the request one step down the value chain. The large companies still in scope, and the banks that lend to everyone, still need supplier…
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Is ChatGPT Sustainable? OpenAI’s Environmental Report Card
I use ChatGPT most days, alongside Claude and the other frontier tools, and I write about using these models for sustainability research. None of that answers the question a client, a peer, or a sustainability event keeps putting to me. Is ChatGPT sustainable? Is OpenAI sustainable as a company? Can I credibly advise a client…
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Scotland’s household recycling has been stuck for a decade
The official numbers, council by council. Scotland’s household recycling rate peaked in 2017 and has drifted since, the legal 60 percent target for 2020 was missed by a wide margin, and a growing share of what looks like diversion from landfill is really incineration. This is that data, read by someone who has built these…
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Designing a Coastal City Waste System: Lessons from Project STOP, Indonesia
How to design a municipal waste system for a coastal city in a low-infrastructure context. Methodology and case study from three Indonesian cities, drawing on Project STOP.
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Scaling a Take-Back Programme Across European Markets: Lessons from Interface ReEntry
How to design and relaunch a corporate take-back programme across multiple European markets. Methodology and a comparative case from Interface ReEntry across the UK, Ireland, Spain and Benelux.
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Designing a Circular Economy from Scratch: A Field Methodology
How to design a circular economy intervention from scratch, with a methodology and a real case study from the Indian Ocean fishing-net industry.
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Is xAI Sustainable? What the SpaceX S-1 actually discloses
SpaceX’s S-1 shows the federal disclosure floor for xAI. Memphis turbines, Grok efficiency, and how this compares to Claude on environmental disclosure.
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Designing a Claude Workflow for CSRD Compliance
A multi-stage Claude workflow for CSRD that survives limited assurance. Architecture, failure modes, and a skill design.
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What an AI-Augmented Consultant Actually Does
What an AI-augmented field consultant actually does. AI compresses the desk work so the operational work grows. Real projects.