1. According to the video, who or what might be the biggest threat to planet Earth?
Humans
2. What effects does overpopulation have on Earth?
Less food, Fewer homes, bad water, less jobs, deforestation, poverty,etc.
3. How does world population growth effect water, food and energy?
It will decrease the quality and quantity
4. Where is the world's population data held?
United nations, in New York
5. What is the United Nations?
Worldwide peace keeping organization.
6. How many people will live on Earth by 2050?
9,000,000,000
7. Where is the greatest population growth going to take place?
Developed countries.
8. What has kept the world's population in check for most of human history?
Disease, Droughts, and Famines
9. Why did the population boom starting in 1800?
Better medicine, Safer living environments, better sanitation.
10. What did Malthus say the problem of population growth is?
Demand will outstrip supply.
11. How many people lack access to safe drinking water in the world?
over 1,000,000,000
12. What is the importance of water to people and Earth?
Drinking, growing crops.
13. Why not just desalinate sea water?
Costs a lot, byproducts are hazardous.
14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?
Ended world hunger.
15. What are some developed countries doing in developing countries in regards to farming?
Buying land from other countries and planting crops
16. According to the host of the video, what three things must people do to ensure that future generations have enough food and resources?
Reduce population, conserve resources, and improve technology.
17. What did China and India do in the 1970's to try to reduce population? Which country was successful?
They made a one child policy, India had "festivals" to reduce the amount of people, China was the successful one.
18. What two things are very important to women(and men as well) in helping bring down the fertility rate?
Education, and Contraception.
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