Related: demand, poverty, solution, want Primary human needs include: space, air, water, food/drug, cloth, soap, shelter, sewer, storage Secondary needs include: fuel, transportation, insurance, communication, education, defense NEED: CONSTRAINT ------------------------ breathe: air air: pollut drink: water, juice, milk, tea, sweetener water: pollut milk: cow, tools cow: grass, water, sun tea, grass: agri sweet: honey, stevia, licorice, sugar: agri eat: food, spice, drug: agri wash: water, soap soap: agri privacy: housing, clothing housing: land, tools land: usury, pollut tools: mine, forge, lumber, mill mine: land, ore mill: land, tools lumber: agri, tools educate: communicate communicate: share share: plans, designs, words, books, forge: fuel, mirrors, bellows fuel: wood, ethanol, methane agri: sun, land, water, genetics, tools genetics: seeds, eggs, spores, biopiracy biopiracy: lock it open! cloth: flax, hemp, wool, cotton, dye: agri sleep: shelter, cloth clean: water, sewer, soap sewer: pipe store: glass, wood, cloth power/energy/fuel transportation insurance medical attention defense education communication