7t Think Tank

Reducing Vienna's Material Footprint Through Sustainable Food Systems

CEU Hackathon 2025 — Challenge 3: Sufficiency Toolkit
14t
Vienna's current material footprint per capita
7t
Target per capita
49%
EU consumption footprint from food
390k t
Potential annual reduction for Vienna

App Prototype Demo

The Vienna Food Footprint Toolkit

A three-part sufficiency toolkit grounded in Doughnut Economics, combining citizen empowerment with institutional reform to reduce Vienna's food-related material footprint.

Your Food Footprint App

Consumer-facing tool with product scanning, smart food swaps, a sustainable food map, and a city-wide impact simulator.

Procurement Reform

Material footprint criteria for Vienna's 100,000 daily public meals in schools, hospitals, and care-home canteens.

Community Infrastructure

Support for food cooperatives (MILA, Morgenrot, Um's Eck) through subsidised space, mentorship, and network integration.