Key points are not available for this paper at this time.
As a scholar I am expected to deal with my subject matter in an objective way. If this were to mean without emotional concern, and without a personal standpoint, I have to admit failure in advance…. I do not hesitate to admit that in giving this lecture my aim is to contribute … to a change of attitude and behavior towards nature.
Donald K. Swearer (Sat,) studied this question.