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This is the archive site of Global Sustainability Jam 2011-2018. From 2019 on please visit


Take a bag and bring it back!

Take a bag and bringt it back after using it. And make other people happy!

Many people have many plastic or other bags at home - and others need a bag and have to buy it in the supermarket. Our idea is to create a place where people can exchange their bags with each other. For free!

Submission files

Team members