Warmth and its aftermath. The medieval warm period ; The great famine

Cooling begins. The climatic seesaw ; Storms, cod and doggers ; A vast peasantry

The end of the "full world". The specter of hunger ; The war against the glaciers ; "More like winter than summer" ; Dearth and revolution ; The year without a summer ; An Ghorta Mór

The modern warm period. A warmer greenhouse.