Climate Change and Drought

A major factor in the decline of Maya civilization Land bridge between reservoirs. Tikal, Guatemala In the Late Classic period (A.D. 500-900) this path separated two immense reservoirs in Tikal’s city center. When I was there in 2008 it was overgrown and difficult to see the bottom on either side. I estimated them to be about as deep as an eight-to-ten-story building.   Maya farmers are still around today; kings, however, disappeared 1,000 years ago. There is a lesson here on how people and water managers respond to long-term climate change, something… Read More

Prophecy And Order

That which happened in the past, the future will bring Prophecy was a prominent feature in all the known ancient cultures. Feeling at the mercy of the gods who represented the forces of nature, complex societies needed a way to understand their behavior so they could brace themselves for the next god-made flood, drought or other catastrophe and hope the gods would yield to the petitions and bargaining sacrifices of their kings and holy men. Maya kings established order by relying on observations of the motions of the sun, moon and other… Read More