A 600-Year-Old Blueprint for Weathering Climate Change

Smaller communities allowed for more sustainable economies. Determined not to depend on one source of sustenance, people supplemented their farming with increased hunting, fishing, and gathering. They expanded existing networks of trade, carrying large amounts of goods all across the continent in dugout canoes and on trading roads; these routes pro... See more

Reciprocity is not merely generosity; giving away a surplus is an investment, insurance that others will help in your own time of need