To raise awareness about the problem, the group gathered 30,000 pairs of used disposable chopsticks. They then used the chopsticks to construct a five-meter-high tree in a busy part of the city – and then chopped it down. Volunteers were stationed by the fallen “tree” to hand out reusable chopsticks to curious passers-by, while a sign laid out the consumption statistics and warned: “Our trees are enough to feed us for only another 20 years.

src: magicalurbanism.com