What’s covered in this cheat sheet
This infographic covers the core content of Unit 5: the Von Thünen model and its concentric rings; the Neolithic, Second, and Green Revolutions; subsistence vs. commercial agriculture types (shifting cultivation, pastoral nomadism, plantation agriculture, Mediterranean agriculture, grain farming); agribusiness and vertical integration; the Columbian Exchange; environmental impacts (soil degradation, deforestation, water pollution, desertification); and food security concepts including food deserts and food sovereignty.