00524nam a22001697a 4500 101202t xxu||||| |||| 00| 0 eng d 9780810970854 333.7 World changing: a user's guide for the 21st century/ edited by Alex Steffen, New York: harry n. abrams, inc., 596p.: col. ill.; includes index Technology and the world. 9241 Steffen, Alex, ed. 9242 Al Gore, foreword 9243 ddc BK 4317 4317