Population size Per person consumption / impact Stewardship

1. Population size Per person consumption / impact Stewardship

2. During this class period the world population will grow by about ~10,000 people!

3. What happened in the 1800-1900? Pasteur discovers “germs” cause disease Sanitation Hygiene Lower mortality, especially infants and children Medical technology Vaccinations Antibiotics Improved nutrition

4. Population Equilibrium Deaths Births IF, population not changing: Births = Deaths IF, deaths go down, and births don’t change, population will………..

6. Industrialized countries: US, Canada, Japan, western Europe, Austrialia, Scandinavia, Singapore, Taiwan, few Arab nations Middle income, moderately developed countries: Latin America, northern & southern Africa, Eastern Europe, parts of Asia Developing low income countries: west, central and east Africa, parts of Asia ??? China & India Per person resource consumption Population growth

7. [per capita gross national product – 1999-2000]

8. Population size Per person consumption / impact Stewardship

9. Fig 6-4

10. Time to add billion people changes

14. Independence from British colonization In 1960 Long period of civil war, based on ethnic lines followed Discovery of Oil lead to revenue for government, corruption became rampant 1993 General Sani Abacha became military ruler, died in 1998 of a “heart attack” 1999 Olusegun Obasanjo, a former military leader and - until 1998 - a political prisoner, was elected president. Several rival groups have had violent conflict, eg Igbo Christians and Hausa Muslims over implementation of Muslim law Obasanjo elected again in 2003, but independent observers expressed reservations

15. -Hausa and Fulani (29%) -Yoruba (21%) -Ibo (18%) -Ijaw (10%), -over 250 others Nigeria has substantial oil wealth (OPEC), but one of the world's poorest nations, > 70% poverty Economy heavily dependent on oil sector revenues, which account for nearly 80 % of government revenues.

16. Oil facility in Niger Delta, BBC 9 oil workers currently being held by militant group Picture of Niger Delta on Chevron website

17. How many people in Nigeria? Last Nigerian census in 1991 Newer census postponed due to controversy over ethnicity and religion Leaders in Muslim north opposed census if questions on religion or ethnicity included. Leaders in Christian & Animist south opposed census if questions on religion or ethnicity NOT included. Past, census figures claimed to be manipulated for political advantage. The population of 2 south areas said to be less than that of the north. Therefore the north was - and still is - assured of absolute control of the federal government & budget South says that dry north cannot have more people than fertile coastal area

18. 6-4 Population momentum

19. 2000 (Italy) Iraq 2025 Source: U.S. Census Bureau

20. “Graying” in Italy- listen to story http://www.npr.org/templates/story/story.php?storyId=4079779

21. Comparing projected populations

22. Demographic transition

23. World regions in the process of demographic transition birth rate death rate

24. Women’s education level lowers fertility rate http://www.prb.org/Content/NavigationMenu/PRB/Educators/Human_Population/Women/The_Status_of_Women1.htm

25. Wangari Maathai Kenyan environmental activist wins 2004 Nobel Peace Prize Fights against deforestation (associated with high population)

26. Wangari Maathai Born in 1940 in in Kenya, received higher education in US Founded the Green Belt movement in Kenya in 1977, planted more than 10 million trees 1997 unsuccessfully ran for the presidency of Kenya 1998, gained worldwide attention when Kenyan President Daniel arap Moi backed development of a luxury housing project begun by clearing hundreds of acres of forest 1999 she suffered head injuries when attacked while planting trees in the Karura Public Forest in Nairobi 2002 elected to Parliament, as Mwai Kibabi defeated Moi, who had been president for 24 years  2004 won Nobel Prize for peace