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Green Filter (綠濾)
Green Filter is a research-led financial AI companion developed in Taiwan for young adults. It connects sustainable shopping, saving, and investing through three linked touchpoints: a web app that turns purchase decisions into personal financial and environmental guidance; a Chrome extension that brings sustainability signals into the moment of online shopping; and Ziran Taiwan, a product-storytelling and customer-survey environment used to explore how Taiwanese products can communicate origin, impact, and trust to international audiences. The work is grounded in 675 valid survey responses, 32 qualitative interviews, more than 100 self-testing sessions, and 32 prototype tests across seven universities.