More change has occurred in the environmental movement during the past ten years than in its entire previous history. Its thrust has become less ideological and more pragmatic, less New Age and more scientific. It is increasingly grounded in the databases of atmospheric science and the genetic models of conservation biology. The practice of conservation...

As I read the announcement and noted with admiration those receiving The Ingersoll Prizes, I can say in all humility that it never entered my head during the past several years that I might someday be so honored, and for that I thank you. I thank you also for the opportunity to make the following...

In his recent speech to Congress, Anatoly Shcharansky said, “All understanding between the East and West must be based on human values common to all men.” This appealing statement takes us straight to the central question of moral reasoning: What, if anything, are common human values? Humanity is and always has been faced with a...