The Carbon Hero, designed by Royal College of Art graduate Andreas Zachariah, is a personal carbon calculator and works by tracking a person through their phone signal every time they go on a journey.

• Carbon Hero（碳足迹计算器），是由皇家艺术学院的撒迦利雅安德烈设计的，是一部个人碳足迹计算器，并通过手机信号用于追踪某人每次的旅途。