title: Crisis in the drylands.
authors: Earth Institute, Columbia University, USA.
authors: Jeffrey D
authors: JD
authors: Sachs
mesh_terms: D000349:Africa; D000818:Animals; D000829:Animals, Domestic; D001208:Asia; D018556:Crops, Agricultural; D003906:Developing Countries / Q000191:economics*; D004190:Disasters / Q000191:economics*; D008889:Military Personnel