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?
lack of land and energy. polution will go up
3. How does world population growth effect water, food and energy?
more demand less supply
4. Where is the world's population data held?
United nations
5. What is the United Nations?
new york
6. How many people will live on Earth by 2050?
9 billion
7. Where is the greatest population growth going to take place?
third world countries
8. What has kept the world's population in check for most of human history?
disease, famon, and drout
9. Why did the population boom starting in 1800?
cure for disease
10. What did Malthus say the problem of population growth is?
there will be more people on the earth than there is food
11. How many people lack access to safe drinking water in the world?
1 in 7
12. What is the importance of water to people and Earth?
drinking
13. Why not just desalinate sea water?
14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?
made better ways of farming that produces 3 times as much food
15. What are some developed countries doing in developing countries in regards to farming?
16. According to the host of the video, what three things must people do to ensure that future generations have enough food and resources?
reducing get better technology
17. What did China and India do in the 1970's to try to reduce population? Which country was successful?
made the one child law
18. What two things are very important to women(and men as well) in helping bring down the fertility rate?
Comments