Fig. 8: Comparison of environmental performance.

a An environmental impact radar chart for the major categories, and b heatmaps of environmental contributions. The major categories include global warming potential (GWP), stratospheric ozone depletion (SOD), terrestrial acidification (TA), marine ecotoxicity (MEu), fossil resource scarcity (FRS), and fine particulate matter formation (FPMF). Additional life-cycle assessment (LCA) results are specified in Supplementary Table 13. Source data are provided as a Source Data file.