Environmental Research Foundation . . P.O. Box 5036, Annapolis, MD 21403 . .
Subscriptions are free.
To subscribe, E-mail the words . . In some regions, the rate today is 10,000 times as fast as the natural rate. What is new is the speed with which extinctions are now occurring. Extinctions are particularly important problems because they are permanent and cannot be reversed once they occur. When a species is lost, all of the genetic information that it contained is lost as well.