Supplementary material 4 from: Kayal M, Lewis H, Ballard J, Kayal E (2019) Humanity and the 21 st century's resource gauntlet: a commentary on Ripple et al.'s article "World scientists' warning to humanity: a second notice". Rethinking Ecology 4: 21-30. https://doi.org/10.3897/rethinkingecology.4.32116

: Data type: References