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One Tumbler, One Small Step Towards a More Sustainable Campus

12 Oct 2026 • UI GreenMetric
One Tumbler, One Small Step Towards a More Sustainable Campus

KUPANG, INDONESIA – A drink may take only five minutes to enjoy, but its packaging can remain in the environment for hundreds of years. This simple contrast reminds us that everyday choices can have a lasting impact on the planet.

Through a sustainability campaign in collaboration with Universitas Nusa Cendana (Undana), the first public university in East Nusa Tenggara Province, located in Kupang, UI GreenMetric encourages students to reduce single-use plastic consumption by adopting a simple habit: bringing a reusable tumbler to campus.

Building a sustainable campus does not always require major changes. Sometimes, it starts with a small action that anyone can take. A tumbler can accompany students throughout their day, from morning lectures and study sessions to conversations and laughter with friends. By choosing reusable drink containers instead of single-use packaging, students can help reduce plastic waste and encourage more responsible consumption.

The collaboration with Undana highlights the importance of involving universities in promoting environmentally responsible habits. As places of learning and community engagement, universities can help turn sustainability awareness into everyday action, inspiring students and staff to make more conscious choices.

Small actions become more meaningful when they are shared. When one student brings a tumbler, others may follow. Over time, these everyday choices can help create a campus culture where reducing plastic waste becomes a natural part of student life.

A greener campus is built not only through policies and infrastructure, but also through the habits of the people who learn, work and grow there. By encouraging reusable alternatives and reducing reliance on single-use plastics, Undana and UI GreenMetric are promoting a simple yet meaningful step towards a more sustainable future.

So, bring your tumbler to class. Start today, inspire your friends, and help give the Earth more room to breathe.

Together with UI GreenMetric and Universitas Nusa Cendana, Advancing Sustainability for Earth. ?

Written by Iskandar Hamonangan – Communications Coordinator, UI GreenMetric

 
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