lunedì 22 settembre 2014

NYT Science: A Future as Clouded as Their Past

A Future as Clouded as Their Past
By GEORGE JOHNSON

When the Anasazi abandoned their cities on the Colorado Plateau, it had something to do with climate, but drawing lessons from their opaque past may be as difficult as predicting our clouded future.

Published: September 23, 2014 at 4:00AM

via NYT Science http://ift.tt/1mDBOCf