Diana split from Silberstein in 1977 and went on to marry Norwegian businessman and mountaineer Arne Naess Jr. in 1986. The former couple had sons Ross, 37, and Evan, 36. Many of Diana's children ...

This volume presents Naess' reflections on the relevance of philosophy to the problems of the degradation of life conditions on Earth, and a rethinking of the relationship between man and nature." Sci ...