The ACC observed Zero Waste Hour for November on 4thΒ November 2019 by cleaning office building and its surrounding.
5th Zero Waste Hour
![](https://www.acc.org.bt/wp-content/uploads/2023/05/5zwh-1024x683.jpg)
The ACC observed Zero Waste Hour for November on 4thΒ November 2019 by cleaning office building and its surrounding.