Could food shortages bring down civilization?
Brown
Lester R
LR
Earth Policy Institute.
D002962:Civilization; D003247:Conservation of Natural Resources; D003906:Developing Countries; D002523:Edible Grain; D004736:Energy-Generating Resources; D004777:Environment; D005523:Food Supply / Q000191:economics / Q000706:statistics & numerical data; D006076:Government; D017752:Greenhouse Effect; D006801:Humans; D006815:Hunger; D011203:Poverty; D012987:Soil; D014197:Trees / Q000254:growth & development; D014881:Water Supply / Q000706:statistics & numerical data
D012987:Soil