Harvey may be among the world's costliest catastrophes

With Hurricane Harvey continuing to wreak havoc in Texas, its full economic impact is still unclear. Current estimates range from $30 billion to $100 billion, either of which would make the hurricane among the world’s most costly catastrophes since at least 1970. Chuck Watson of Enki Research on Tuesday lifted his projection for economic losses to $42 billion, up about $12 billion from Monday.