Letters: Mar. 15, 2018

Endangered

In our animal world, a species found to be "endangered" can often be protected, propagated and perpetuated. Salmon and bison are examples of such successes. But there are exceptions. Our carrier pigeon is now extinct and South Africa's white rhinoceros survives only in the form of a single remaining male animal.

In our plant world, scientific attempts to propagate and perpetuate "endangered" botanical environments are rarely successful. Whitman County's Palouse Prairie may soon become our version of the white rhino and is no longer sustainable, short of local intervention.

At a rece...