What can a Medieval climate crisis teach us about modern-day warming? | Andrew Simms

In Europe's 'bleak midwinter' of 1430-1440, medieval society made dramatic changes in response to food shortages and famine caused by exceptional cold. What lessons can we learn from history?

Sat in the centrally heated school Christmas concert, I sang, like countless others, In the Bleak Midwinter, not knowing the half of it. Christina Rossetti's mournful, yearning poem, later set to music by Gustav Holst, was written in 1872, but speaks of a "bleak midwinter, long ago", relocating the nativity to a chill northern landscape where, "Earth stood hard as iron, water like a stone."