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?low clean water supply.3. How does world population growth effect water, food and energy?uses an enormous amount of energy.4. Where is the world's population data held?5. What is the United Nations?6. How many people will live on Earth by 2050?9,000,000,0007. Where is the greatest population growth going to take place?Sub-Saharin Africa.8. What has kept the world's population in check for most of human history?nature took care of people.9. Why did the population boom starting in 1800?death rates have been reduced. overcame diesese.10. What did Malthus say the problem of population growth is?the power of population is greater than the earth produces food.11. How many people lack access to safe drinking water in the world?50% is drinkable.12. What is the importance of water to people and Earth?you have to have it to survive. its an industry. most important resource.13. Why not just desalinate sea water?really expensive and takes alot of energy.14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?helped with agricultre. produce high yielding.15. What are some developed countries doing in developing countries in regards to farming?taking over some of there land for there own 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?control population, change technology, stock resources.17. What did China and India do in the 1970's to try to reduce population? Which country was successful?China. can only have 1 or 2 children. India sterolized men.18. What two things are very important to women(and men as well) in helping bring down the fertility rate?contreception, education.
Comments