This primer from the Transnational Institute describes the diversity of pastoralist systems that are found around the world. Among other topics, it explains the similarities and differences between pastoralists and peasants; explores the ways in which pastoralists have inaccurately been blamed for desertification; argues that anti-livestock narratives should not conflate pastoralism and industrial livestock farming; and asks to what extent animal-sourced foods are important for nutrition.
Read the full report, Livestock, climate and the politics of resources: A primer, here or here (PDF link). See also the TABLE explainer Focus: The difficult livestock issue and the report Are livestock always bad for the planet? Rethinking the protein transition and climate change debate.