Yeji Oh / p.85,86 answers / Wed 3,4

1. Garbages left behind around Mt. Everest by past climbers now poses a serious threat environment and a hazard to other clibers(Rivers , 4) 2. United Nations Environent Programme reported that major environmental problems caaused by tourism include the depletion of natural resources, pollution, and various physical damages caused by construction and tourist activities(Environmental Impacts of Tourism, 5-6) 3. According to Pact Farber, UCLA biologist, "It is a failure of imagination that we humans cannot see value in animals beyond their use to us as food or entertainment. ("How We See Animals, How We See Oursolves", 27) 4. Vertebrate animals which are used purpose of research, experiment and educaton in USA are estimated 25 millions ("Frequently Asked Questions about animals in research, December 8, 2006) 5. United Nations reported that approximatelly 25% of the mammals and 12% of birds of the birds in the worldmight become extinct during the next few decades due to global warming. (Schultz, "An Endangered planet", February 15,2004)