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To: hobo who wrote (107)	2/17/2001 11:05:02 PM
From: hobo	Read Replies (1) of 51712

Population and Resources Worksheet: Compute acres of land per person for the year 1000 AD and compare with figures through history and to those projected for the years 2000 and 2020. 1. On a piece of graph paper, graph population growth for each of the years listed to the right. Label the x-axis "YEAR" and label the y-axis "NUMBER OF PEOPLE (in billions)." 2. Using a second piece of graph paper, graph the land per capita for each of those same years. Label the x-axis "YEAR" and label the y-axis "ACRES PER PERSON." How did the population change between 1300 and 1500? How do you explain this change? [See Timeline.] 3. What change do you observe from 1800 to the present? What events in history might have contributed to the change? [See Timeline.] 4. What projections can you make about sustainability and carrying capacity if the world's population continues to grow at its present rate? Year .Billions of People .Acres/Person 1000 0.3 1100 0.4 1200 0.4 1300 0.4 1400 0.2 1500 0.4 1600 0.5 1700 0.7 1800 1.0 1900 1.6 2000 6.1 2020 7.6 Note: Divide population into 34 billion acres of land. pbs.org Time Line: pbs.org

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