Discusses an attempt to recover Pacific salmonid fisheries with hatcheries as an example of a human attitude toward nature that places technological mastery over nature at the forefront of our approach to many environmental problems. Points out how this approach addresses the symptoms but not the causes of the salmon population decline. Suggests…

During the present decade, there has been increasing interest in and concern for the fate of marine mammals. Aspects of these changing attitudes, including legislative actions, are examined. (MA)

Recent legislation has been enforced to reduce porpoise losses in the nets of tuna fishermen. This article discusses some of the behavioral causes of porpoise mortality and described solutions that may or may not work. (MA)