story archive
Stories by David Schaller
Posted Apr 22, 2022, 1:56 pm
David Schaller
/Special to TucsonSentinel.com
As Arizona’s Colorado River crisis becomes more intractable, I wonder what it will take for some honest information on the extent of water shortage we’re facing. It would be nice to have a community conversation before the next tier of rationing hits.... Read more»
Posted Jul 30, 2021, 11:50 am
David Schaller
/Special to TucsonSentinel.com
Pending cutbacks mean Arizona will lose fully one-third of our annual allocation of Colorado River water — with even more punitive cuts pending. As Lake Mead’s dire water level begins to capture public attention, a complex situation grows more challenging to understand even on a good day.... Read more»
Posted Sep 29, 2020, 4:01 pm
David Schaller
/Special to TucsonSentinel.com
"Tucson is between two ages. We are on both sides of a threshold, where we are at once committing to move away from destructive policies destroying our climate while not yet fully accommodating the interruption of a global health emergency." — David Schaller is a retired EPA environmental scientist and Tucson native.... Read more»