Human Ecology - Lecture 1 -  Environmental Interrelationships

1.  What is the state of the World today?
World Population, mid 2007 = 6.625 billion
Largest population
China: 1.318 billion
India: 1.132 billion
USA: 302 million
Historical: 1950 = 2.5 billion
2.  Urbanization is increasing (graphic can be found on www.prb.org, download 2007 world population data sheet)

3.  Earning power is vastly different in more developed vs. less developed countries.
Gross National Income in Purchasing Power Parity per Capita in US$ in 2006
World average: $9,940
More developed countries: $29,680
Less developed countries: $5,480
USA: $ 44,260
Mexico: $10,770
4.  How much carbon dioxide do humans produce per capita per year?

CO2 emissions per capita (metric tons) 2002 data

5.  What Percent of Natural Habitat Remains?
6.  From where do the statistics come?
Following material is from Chapter 1 - Pages 2 -10

7.  Environmental Science is interdisciplinary (Figure 1.1)

8.  Environmental Worries are Global!

9.  What is an ecosystem?
10.  Ecological Regions of North America (Figure 1.3) - Know regional concerns from text and class discussion

11.  Be prepared to discuss next meeting