What Do We Learn From Catastrophes?
The social, physical and economic anguish that Hurricane Harvey visited upon flood-devastated Houston is reminding officials and residents in cities across the country of the need to plan for unexpected catastrophes. People rarely think ahead about the possible 500-year flood or likelihood of the tsunami or earthquake that kills thousands of people and leaves thousands more homeless. Scientists say such events have low probability and high consequence. And unless there is a recent memory, people don't pay too much attention to risks that seem [...]