COLOR CHANGE “CARD” / Emotional interaction concepts

As the climate changes, and sustainable development has become a hot topic, green travel will shoulder the important role, 「COLOR CHANGE "CARD"」is designed around the green travel a dynamic change of public transport IC card (in Shanghai, China, for example), the an e-card to detect the air quality and climate change, the card will happen with the air quality between the red and blue color gradient, the red represents the more the worse air quality, and if the cardholder can use IC card on public transportation, card will gradually restore blue again, to remind people to green travel, protect the environment