Posted by 4Tiffany on September 16, 2011 at 11:24am
Questions;1. According to the video, who or what might be the biggest threat to planet Earth?Ourselves.2. What effects does overpopulation have on Earth?Less food and water, and natrual resources.3. How does world population growth effect water, food and energy?THe more people there are the less food, water, and energy because more people will need it.4. Where is the world's population data held?United Nations in New York City.5. What is the United Nations?NATO6. How many people will live on Earth by 2050?9 billion7. Where is the greatest population growth going to take place?The least developed countries.8. What has kept the world's population in check for most of human history?9. Why did the population boom starting in 1800?10. What did Malthus say the problem of population growth is?population is going to grow so much that we wont have enough food.11. How many people lack access to safe drinking water in the world?12. What is the importance of water to people and Earth?We need it to stay alive, and to water iur plants so we have food too.13. Why not just desalinate sea water?USes a lot of energy and biprodcuts could be damaging to our seas.14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?Saved millions of lives during what is known as the green revolution.15. What are some developed countries doing in developing countries in regards to farming?buying farmland16. According to the host of the video, what three things must people do to ensure that future generations have enough food and resources?1. change our technology2. stop consuming so many resources3. stop the rapid growth of our population17. What did China and India do in the 1970's to try to reduce population? Which country was successful?Told them they couldnt have more than two children. China18. What two things are very important to women(and men as well) in helping bring down the fertility rate?Education and Contriception.
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