Lecture 3 - 1 Population The Number One environmental...

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Unformatted text preview: 1/25/10 1 Population The Number One environmental problem is the increase in human population!! FACT: 104 persons per square mile around world on inhabitable surfaces. FACT: people use resources - minerals, fuels, water, air, food and then produce wastes. THEREFORE: more people will use more resources and then produce more wastes. THEREFORE: since most resources are limited and there are limits to how much waste the planet can bare - WE have a problem! Parable- The Global Village of 100 families 1. 65 families are illiterate. 2. 90 families do not speak English. 3. 70 families have no drinking water at home. 4. 80 families have never flown in a plane. 5. 7 families own 60% of the land and consume 80% of the energy. 6. 60 families are crowded onto 10% of the land. 7. 1 family has a university education. Typical Problems Directly Related to Increasing Populations: 1. Starvation 2. Thirst Typical Problems Directly Related to Increasing Populations: 3. Air Pollution Typical Problems Directly Related to Increasing Populations: 1/25/10 2 4. Wars Typical Problems Directly Related to Increasing Populations: 5. Deforestation Typical Problems Directly Related to Increasing Populations: 6. Species Extinction Number of Bird & Animal Species Extinct 1650 Year 2005 World Population e x...
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This note was uploaded on 12/20/2011 for the course GEOS 1024 taught by Professor Meschreiber during the Spring '08 term at Virginia Tech.

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Lecture 3 - 1 Population The Number One environmental...

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