Fig. 6

Graphs related to goals (a) FUs (b), system boundaries (c) and scale of analysis (d). In graph (a): comparison of two or more products/supply chains (blue), assessment of trade-offs (orange), environmental, economic, and social assessment (grey), comparison of different management practices (yellow), development and/or testing a methodology (light blue) and identification of environmental, economic and/or social hotspots (green). In graph (b): mass-based FU (yellow), land-based FU (blue), energy-based FU (orange) and economic value-based (grey). In graph (c): cradle-to-gate (blue), cradle-to-grave (grey) and gate-to-gate (orange). In graph (d): local level (blue), regional level (orange), national level (grey and continental level (yellow)