We went over the Africa map.
1. According to the video, who or what might be the biggest threat to planet Earth?
Human population
2. What effects does overpopulation have on Earth?
Not enough food, clean water, land, and resources, waste will go up, could lead to wars.
3. How does world population growth effect water, food and energy?
4. Where is the world's population data held?
UN office in New York City
5. What is the United Nations?
Like a world headquarters(peace keeping organization.)
6. How many people will live on Earth by 2050?
9 billion
7. Where is the greatest population growth going to take place?
Africa and Middle East
8. What has kept the world's population in check for most of human history?
Disease, lack of water, and lack of food
9. Why did the population boom starting in 1800?
Cures for diseases and people lived longer
10. What did Malthus say the problem of population growth is?
The power of the population growth is greater than the power of supply (food, water, and resources).
11. How many people lack access to safe drinking water in the world?
over a billion people
12. What is the importance of water to people and Earth?
Creates life, cleaning, making products, and energy
13. Why not just desalinate sea water?
Its to expensive and uses alot of energy
14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?
created better disease resitent crops and ways of frming, that gave more yield to 3rd world countries
15. What are some developed countries doing in developing countries in regards to farming?
taking their land
16. According to the host of the video, what three things must people do to ensure that future generations have enough food and resources?
17. What did China and India do in the 1970's to try to reduce population? Which country was successful?
18. What two things are very important to women(and men as well) in helping bring down the fertility rate?
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