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Collecting data about waste enabled some tenants at Vestkanten Storsenter to reduce residual waste by 80%

At Vestkanten in Bergen, a shopping mall consisting of 110 restaurants and shops, some tenants reduced the amount of residual waste by 80% after implementing Carrot.


How well our waste is sorted affects the proportion of materials we can extract for recycling purposes. Waste sorting in itself relies heavily on the effort and the choices that each and every one of us makes in our daily routines.

Reduced residual waste with 80%

At a shopping mall in Bergen, some tenants managed to reduce the amount of residual waste their shops produced by up to 80%, thanks to information and incentives for better sorting enabled by Carrot.

In this project, each shop nominated a sustainability officer responsible for onboarding - ensuring that both full-time and part-time employees used the Carrot app when handling waste from the shop.

Counting everything

The amount and different types of waste were tracked using quantity registration, providing both the tenants and the operation manager at the mall with a full overview of all waste and material flows. Digitizing the waste streams enabled the operations manager to follow up tenants with potential for improvement, in addition to making a fair cost distribution based on recycling efforts possible.

Carrot connects to existing infrastructure

Existing containers for different types of waste in the basement of the mall were equipped with smart locks and weight systems, and information materials across the mall were upgraded to enable the tenants to improve their waste sorting efforts.

With over a thousand full-time and part-time employees, the shopping mall shows that they can make a big difference by sorting more and handling waste smarter:

  • The shopping mall increased the sorting rate from 54% to 72%
  • The amount of residual waste was reduced by approximately 120,000 kilos per year
  • They increased the number of waste types from 18 to 23

The results show that information and incentives for better sorting make it easier and more motivating for shops and their employees to change to more sustainable behavior, and improve waste sorting.

At Carrot, we want to make it easier for everyone to improve their habits, enabling choices that generate less waste, bringing us closer to solving the world’s waste problem.

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