mini conference

Circular and Low Carbon Cities project

22 April 2022

09.00 – 17.30 CEST

This is a hybrid conference available to join online & in-person at OVAM premises in Mechelen, Belgium.

Register here.

On 22nd April 2022, ISWA´s project on Circular and Low Carbon Cities (CALC) is arranging a mini conference with a focus on metrics for the waste prevention “Cascades,” starting with refuse and rent, including repair, replacement of parts, and other processes that lengthen useful life. The metrics are connected to the CALC project intention to be able to calculate greenhouse gas offsets for waste prevention.

The purpose of the mini conference is to raise awareness on how to be successful in preventing waste and increase circularity in the city. The overall goal for the call is to gather best practices on these topics.

The agenda consists of invited speakers and 5 selected examples of metrics and indicators for measuring the performance and impacts of waste prevention processes.

The project is grateful to their hosts the Flemish Institute for Technological Research (VITO) and the Public Waste Agency in the region of Flanders, Belgium (OVAM)


Circular and Low Carbon Cities (CALC) project

The CALC project works at the intersection of two critical global challenges: Climage change and resource scarcity. The aim of the project is to support cities in making coices to increase circularity and reduce emissions. Three of ISWA’s Working Groups are invovled in the proejct, the Working Group on Recycling & Waste minimisation, Climate Change & Waste Management and Biological Treatment of Waste, as well as a team of dedicated volunteers. The project is now in its second year.



All timings below are in Central European Summer Time (CEST). Convert to your timezone.


08:30 – 09.00 Registration open. Digital meeting channel opens at 08.45.
09.00 – 09.30

Welcome and Tone-Setting

Welcome: Marc Tijhuis, MD, ISWA
Introductions for those attending digitally and in person and orientation to the hybrid system

09.30 – 10.30

WHY do cities and regions want circularity, WHAT are they doing about it and why and HOW do they measure it?

Moderated by Gunilla Carlsson, SYSAV

Imanol Zabaleta, City of Victoria Gasteiz, Spain

Liu Xiao, CAUES, working with Chinese Cities

Kartik Kapoor, CALC Project team, Global cities

Andy Rees, Government of Wales, Actions in Wales

10.30 – 10.45 Coffee break
10.45 – 12.15 Measuring circularity (or lack of it): submissions from the global call
Moderated by Gunilla Carlsson, SYSAV
Dr. Henning Friege, Dr. Friege & Partners: cascade -1 (textiles)

Kat Heinrich, Rawtech: “negative” indicators

Manuel Amador, Eusto: environmental indicators

12.15 – 13.30 Lunch and networking
(digital channel remains open with break-out rooms for informal conversation)
13.15 – 15.15

Metrics and indicators for waste prevention cascades and associated CO2 offsets

Moderated by Anne Scheinberg, ISWA Working Group on Recycling and Waste Minimisation

13.15 – 13.45

Metrics for re-use cascades, Q&A

Dr. Kris Bacchus, University of Leuven

13.45 – 14.15

Existing Circularity Indicators, context for the CALC project combined metrics at city level and CO2 offsets for rechargeable batteries, paper/cardboard, and bikes, short Q&A

Kartik Kapoor, CALC project team

14.15 – 14.45

A sustainable business model for diversion and repair of accident-damaged goods

Andreas Anderholm Pedersen, GIAB Godsinlösen Nordic AB

14.45 – 15.00

Discussion: Technical basis for circularity metrics: useful life, CO2 footprint, entropy, other potentials? 

Moderated by Anne Scheinberg and Aditi Ramola

15.20 – 15.40

The ShareRepair System for Electronics in Leuven, short Q&A

Yoko Dams, VITO

15.40 – 17.00

Discussion: What gaps are there in circularity metrics? What needs to be done? How best can the CALC project fill these gaps in the coming 18 months?

Moderated by Gunilla Carlson

17.00 – 17.30 Conclusions and Closing
17.00 – 17.30 Closing of the Mini-conference an drinks. Digital channel closes.


Hybrid setup

The conference has been setup in a hybrid format to accommodate all those that are interested in the topic and would like to join worldwide. The in person event will only be available to maximum 15 attendees and will be held in Mechelen, Belgium. Click here to get information on the location, directions and hotel recommendations.

Registration fee

A minimal registration fee has been set up for those wanting to join. These costs do not have a commercial intend and will go directly back into the CALC project budget. If you would like to know more please do not hesitate to ask.


Cancellation policy

Registration may be transferred to a nominated representative. Any cancellation of registration must be submitted in writing to ISWA by e-mail:

Cancellation and refund will be subject to the following conditions:
• Cancellation until April 14th: 50% refund
• Cancellation between April 14th 2022 and April 22nd: 10% refund
• “no show”: No refund

In case of cancellation of the CALC mini conference due to unforeseeable events including pandemic regulations. ISWA will refund the registration fee but no other costs incurred prior to cancellation.

In case of cancellation of a registrant the above rules apply. If there are bank transfer costs we will calculate 5 euro deduction to ensure the bank transfer fees are covered, these will be deducted from any refund.


FREE EXTRA: Study visit in Flanders: Plastics recycling, e-waste dismantling
On Thursday 21st of April all in person registrants can join a site visit of two companies in the afternoon, located close to each other, ‘t Veer – Recylec, specialized in the dismantling of electronics, and Galloo the ELV recycling unit. Departure from Mechelen will be around 1 PM CEST.

The company websites are:



The CALC project is grateful to be hosted on the premises of OVAM, the Public Waste Agency in the region of Flanders (Belgium). OVAM strives for a sustainable waste and materials management, a clean & healthy soil and aim for the transition to a circular economy. Find out about OVAM here


University of Texas at Arlington

The conference will be held in person in Mechelen, Belgium.

Public Waste Agency of Flanders (OVAM)
Stationsstraat 110
2800 Mechelen, Belgium

Location and Infrastructure

The venue is easily reachable for those coming into Belgium from an international destination. It is located next to the train station of Mechelen.
It is only 15 minutes by train from Brussels Airport Zaventem and 45 minutes from Antwerp International Airport.

Click here to get the direction on how to get there via google maps



Town hall square in Mechelen, Belgium

Recommended accommodation

We advise to travel to Mechelen 1 day prior to the event, a complimentary dinner will be arranged for all registrants. 



Get in touch for questions or comments.

2 + 2 =

Leonie Hoogland

Leonie Hoogland

Event Manager ISWA


Contact Leonie for registration matters or to cancel registration

Phone number: +31 (0)10 808 3990