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“Getting behavior change to happen is not an easy thing,” says Dagny Tucker, founder of Vessel. “If we look at a community that’s considered very sustainably-minded, i.e., Boulder, Colorado, you’ll find that in a survey of local cafes, less than 10 people are bringing their own cup every day.” Vessel 的创始人 Dagny Tucker 说：“让人们改变习惯并不是一件容易的事，即使我们说的是像博尔德这样以环保闻名的社区，调查显示也只有不到10%的人会每天自己带杯子来。” Vessel 一开始选择在博尔德的四家咖啡厅展开这个项目，之后还准备逐步扩张。 消费者们可以通过一个APP来参与到这个免费的系统里。（如果有人没有在五天之内归还咖啡杯，他就会受到罚款。） As they use the mugs, they’ll get reports on how much waste they’re preventing and how much they’re trimming their carbon footprint and saving water. 在他们使用咖啡杯的同时，他们会收到相关的报告来显示他们已经协助减少多少垃圾产出、降低了多少碳足迹、节约了多少水。 Tucker 最早是于2016年在纽约试运营这个系统的，她曾在那里的帕森斯设计学院任教。 “The paper cup was really the most highly visible sign of disposability I could see,” she says. “Every fifth person walking down the street [in New York] is carrying a paper cup, which they use for a matter of minutes and then throw away.” | 
