Livestock, like these goats in the Rift Valley of Tanzania, are critical to household economies in East Africa. Katherine Grillo, CC BY-ND Visitors to East Africa are often amazed by massive herds of cattle with a gorgeous array of horn, hump and coat patterns. Pastoralism – a way of life centered around herding – is a central part of many Africans’ identity. It’s also a key economic strategy that is now threatened by climate change, rising demands for meat, urban sprawl and land conflicts. Pastoralism’s roots could hold clues to help solve these modern challenges. Studies suggest that trad...
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