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, overcrowding, more waste, polution, poverty, etc.
3. How does world population growth effect water, food and energy?
it polutes it, and there isn't enough of us
4. Where is the world's population data held?
the U.N.
5. What is the United Nations?
worldwide 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?
under-developed countries
8. What has kept the world's population in check for most of human history?
disease, faminine, nature
9. Why did the population boom starting in 1800?
better medicine and living conditions
10. What did Malthus say the problem of population growth is?
there will be more demand than supply for food and water
11. How many people lack access to safe drinking water in the world?
1 billion
12. What is the importance of water to people and Earth?
we all die without it
13. Why not just desalinate sea water?
technology isn't good
14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?
brought high-yielding disease-resistent crops to third-world countries
15. What are some developed countries doing in developing countries in regards to farming?
buying land to use it to make food then ship it back to their countries
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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