Half a billion people draw on generations of knowledge to thrive on rangelands. Protecting their way of life could help us all.

Half a billion people draw on generations of knowledge to thrive on rangelands. Protecting their way of life could help us all.

Cattle are a central part of the identity of Andrew Msami’s Maasai community in northeast Tanzania. Herd size determines social position, and many people keep all their wealth in…