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Press, William H
Science (American Association for the Advancement of Science), 2013-Feb-08, 2013-02-08, 20130208, Letnik: 339, Številka: 6120Journal Article
Would you spend money today to make the world a substantially better place for your children and grandchildren? Most of us would. But what if the benefit would accrue only to your great-great-great-great-grandchildren, not born until the 22nd century? That's an awfully distant time horizon for most people. Many would probably spend today's resources on more immediate concerns.
