An image of a seasonal cycle chart.

I was stunned when I looked at NASA’s plot of monthly temperature anomalies showing that not only was July the hottest July ever recorded, it was the hottest month ever recorded, and the most recent (maybe not the last!) in an streak of new monthly records going back 10 months. There is shock value in seeing the whitespace on this graph separating the last ten...

Read More
Big data, small numbers illustration.

Drought is a large-scale problem. Droughts of high severity, long duration, and broad spatial extent happen infrequently enough that ecological and economic dependencies on water are bound to develop during the between-drought intervals. The trick for drought resilient societies is to develop a long-term memory that serves to limit over-enthusiastic exploitation of water resources when water supply is relatively abundant. Most indigenous societies that are highly...

Read More