- Human population size is able to predict past extinctions with 96% accuracy. Predictors based on past climate, in contrast, perform no better than expected by chance, suggesting that climate had a negligible impact on global mammal extinctions https://advances.sciencemag.org/content/6/36/eabb2313?fbclid=iwar3tyir_bwvvragq79uuvejdbtrwluaeqhdpxhhywq2dop2jcioegqg5ql8 13 comments science