BrightWebApp

Open Browser-based interactive WebAssembly Application (may load slowly)

BrightWebApp is a Python package designed to showcase how the Brightway software framework can be adapted to provide complex life-cycle assessment calculations in the context of web applications. It is designed to be used either through a Pyodide (WebAssembly) enabled Panel dashboard, or by accessing it running in a Docker container.

flowchart LR
    4 -->|"(...)"| 3 -->|0.1→<b>0.2</b>| 2 -->|"=0.4*(0.5/0.25)"| 1 -->|0.5→<b>0.25</b>| 0
    6 -->|"=0.7*(0.5/0.25)"| 5 -->|"=0.2*(0.5/0.25)"| 1
    8 -->|"(...)"| 7 -->|0.05→<b>0.15</b>| 2

    style 0 fill:#FFCCCB
    style 1 fill:#33CAFF
    style 2 fill:#33CAFF
    style 3 fill:#A2A2A2
    style 4 fill:#A2A2A2
    style 5 fill:#33CAFF
    style 6 fill:#33CAFF
    style 7 fill:#A2A2A2
    style 8 fill:#A2A2A2

Illustration of a supply chain graph, as it would appear in the context of life-cycle assessment.

As a use-case, it implements a simple logic for modifying branches of a supply chain based user input. This allows practitioners to modify either the amount of flow between production processes or the environmental burden intensity of individual processes.