Help keep Salon independent

Leif Brottem

Leif Brottem, assistant professor of global development studies at Grinnell College, spent two years working on tree planting projects in West Africa.

A Fulani herding boy walks with his cows in a field outside Kaduna, northwest Nigeria. (Getty/Stefan Heunis)

Blame climate change for Nigerian farmer-herder violence? Not so fast, expert says

Leif Brottem