Explanation of the proposed CE taxonomy using examples from the construction industry
| Terminology | Final definition | Examples | |||
|---|---|---|---|---|---|
| Example 1 material | Example 2 waste | Example 3 energy | Example 4 emission | ||
| Circular economy strategy | An overall direction and plan for circular economy implementation in a particular entity | Incorporating alternative material sources into new construction | Efficiently managing demolished materials | Using renewable energy sources | Tracking the embodied carbon emission |
| Circular economy practice | An activity that contributes to the implementation of a circular economy in a particular entity | Reusing materials in new construction activities | Identifying and recycling possible materials | Using solar power for electricity generation | Using embodied carbon calculating techniques |
| Circular economy index | A quantified number that typically incorporates a combination of indicators to assess overall circular economy performance, facilitating comparisons over time and across different entities | The amount of reused material used out of the total weight/volume of the material | The recyclability value of the material | The amount of solar usage out of the total electricity consumption | The number of projects that implemented embodied carbon calculating techniques out of the total projects completed per year |
| Circular economy indicator | A quantitative or qualitative factor that is used to measure different circularity aspects and, assess changes in circular economy implementation | Material | Waste | Energy | Emission |
| Circular economy measure | A method of assessing circularity at a more focused and granular level | Amount of reusable materials | Recyclability of the demolished material | Amount of solar-generated electricity consumption | Degree of using embodied carbon calculating technique for construction projects |
| Circular economy metric | A unit that is used in circularity measurement | Percentage/Mass/Volume | Percentage/Mass/Volume | Percentage/kWh | Percentage/number |
| Terminology | Final definition | Examples | |||
|---|---|---|---|---|---|
| Example 1 material | Example 2 waste | Example 3 energy | Example 4 emission | ||
| Circular economy strategy | An overall direction and plan for circular economy implementation in a particular entity | Incorporating alternative material sources into new construction | Efficiently managing demolished materials | Using renewable energy sources | Tracking the embodied carbon emission |
| Circular economy practice | An activity that contributes to the implementation of a circular economy in a particular entity | Reusing materials in new construction activities | Identifying and recycling possible materials | Using solar power for electricity generation | Using embodied carbon calculating techniques |
| Circular economy index | A quantified number that typically incorporates a combination of indicators to assess overall circular economy performance, facilitating comparisons over time and across different entities | The amount of reused material used out of the total weight/volume of the material | The recyclability value of the material | The amount of solar usage out of the total electricity consumption | The number of projects that implemented embodied carbon calculating techniques out of the total projects completed per year |
| Circular economy indicator | A quantitative or qualitative factor that is used to measure different circularity aspects and, assess changes in circular economy implementation | Material | Waste | Energy | Emission |
| Circular economy measure | A method of assessing circularity at a more focused and granular level | Amount of reusable materials | Recyclability of the demolished material | Amount of solar-generated electricity consumption | Degree of using embodied carbon calculating technique for construction projects |
| Circular economy metric | A unit that is used in circularity measurement | Percentage/Mass/Volume | Percentage/Mass/Volume | Percentage/kWh | Percentage/number |
Source(s): Authors’ own work
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