Certified 501(c)(3) Nonprofit

The Green Journey
Coalition

Building open-source environmental technology to fight microplastic pollution. Tax-deductible donations fund the science, the tools, and the people making it happen.

501(c)(3)

Certified nonprofit

Open

Source technology

Global

Impact & reach

2019

Founded

In the Press

European Patent Office feature

European Patent Office · 2023 · Fionn Ferreira on removing microplastics from water

What We Build

Open-source tools
for a plastic-free world.

The Green Journey Coalition develops technology that anybody can use, audit, and improve. Our mission is to democratise the science of microplastic detection and removal — closing the gap between cutting-edge research and real-world action.

⚗️

Technology Development

Building open-source tools to detect, quantify, and remove microplastic pollution — making the science accessible to researchers and communities worldwide.

🛰️

The Probe App

Our flagship project: an AI-powered platform that lets anyone scan products, estimate personal microplastic intake, and explore peer-reviewed research.

🌊

Field Research & Advocacy

Translating lab breakthroughs into real-world policy change — from coastal clean-up data to briefings for international environmental bodies.

Tax-deductible giving

The Green Journey Coalition is a registered 501(c)(3) organisation. All donations are fully tax-deductible in the United States. A receipt is issued automatically.

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Green Journey

Science from the lab, breakthroughs in the field, and honest dispatches from building a nonprofit from scratch. No fluff — just the real work.

  • Research updates & lab findings
  • Behind the scenes of Coalition projects
  • Environmental news, curated
  • Published on Substack · free forever
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Support the Work

Fund the technology

Every dollar funds open-source development, field research, and the infrastructure to make environmental science accessible to all.

Secure payments via GiveForms · 501(c)(3) · EIN available on request

The Green Journey Coalition · Registered 501(c)(3) · fionnferreira.com