1. According to the video, who or what might be the biggest threat to planet Earth?
other humans.
2. What effects does overpopulation have on Earth?
not enough food, not enough clean drinking water.
could lead to wars over natural resources
3. How does world population growth effect water, food and energy?
not having enough because everbody need food and water.
4. Where is the world's population data held?
New York City
5. What is the United Nations?
World Wide 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?
least developed countries in the world.
8. What has kept the world's population in check for most of human history?
nature
9. Why did the population boom starting in 1800?
death rates reduces. People live longer cause of medicine and such.
10. What did Malthus say the problem of population growth is?
The power of population is indefinately greater than the power in the earth to subsistance so many people.
11. How many people lack access to safe drinking water in the world?
half the people in the world.
12. What is the importance of water to people and Earth?
well you have to have it to survive. it's used to make a lot of products. irrigation for food. animals drink it.
13. Why not just desalinate sea water?
the by products can damage the seas. it's very expensive.
14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?
it is called the green revolution. he developed high yield, disease resistant crops.
15. What are some developed countries doing in developing countries in regards to farming?
they are getting large places of land from them.
16. According to the host of the video, what three things must people do to ensure that future generations have enough food and resources?
stop consuming so many resources, change technology, reduce growth of population.
17. What did China and India do in the 1970's to try to reduce population? Which country was successful?
China - saying that families can only have one child.
India - sterilization.
China was more successful
18. What two things are very important to women(and men as well) in helping bring down the fertility rate?
Well educated women. and birth control.
We then went over the map.
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