Fig. 2.
Regional changes in anthromes and populations 10,000 BCE to 2017 CE (regions indicated by lines in Fig. 1A ). Regional uncertainties in SI Appendix, Fig. S3.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.