Description
This indicator assesses the significance of secondary materials in the economy.
Methodology
Share of (Recycling + Backfilling)/ domestic material consumption
For biomass: Share of Recycling / domestic material consumption
Example: Food waste is being used for feed to replace grain or soy in the consumption for animal feed.
The information above is specific to Porto's evaluation plan. For general information on this indicator, please refer to
its entry in the list of indicators. What follows below is what has been filled out by the city.