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. 2020 Sep 8;275:124063. doi: 10.1016/j.jclepro.2020.124063

Table 7.

Ranking of challenges subdivided into cause and effect group.

Cause Group
Effect Group
Challenges Ranking Challenges Rank
Chn8 1 Chn13 1
Chn7 2 Chn15 2
Chn1 3 Chn12 3
Chn2 4 Chn10 4
Chn3 5 Chn14 5
Chn11 6 Chn5 6
Chn4 7 Chn6 7
Chn9 8