Resource at https://doi.org/
https://doi.org/10.1038/s41467-017-01820%2Dw

Resource at https://www.cger.nies.go.jp/
https://www.cger.nies.go.jp/gcp/population%2Dand%2Dgdp.html

Resource at https://www.ipcc-data.org/
https://www.ipcc-data.org/index.html