How Many People Can Live on Planet Earth - Video questions PDF

Title How Many People Can Live on Planet Earth - Video questions
Author Tianna Champagne
Course Global Environmental Issues
Institution Concordia University
Pages 3
File Size 72.3 KB
File Type PDF
Total Downloads 38
Total Views 162

Summary

Q & A...


Description

Video Question Sheet: How Many People Can Live On Planet Earth? Answer the following as you view the film. https://www.dailymotion.com/video/x7s8ybc 1. Give some examples of how quickly the world’s population is growing. Growing by more than 2 people per second, 200,000 people every day, and more than 80 million people every year 2. What are some of the issues we are facing as our population continues to grow? Each additional life need food, shelter, energy, water, and a whole lot more 3. What is one factor in every environmental problem that has been studied? Our selves, human, the issue of population size 4. Not only the natural environment is threatened by population growth but it also threatens… The quality of air, clean water, available food, energy 5. The UN estimates that by the mid Century the World’s population is expected to be? 9 billion in 2050 6. The majority of this growth is not caused by people having large families. What is causing it? By having a larger number of young people who will than have children 7. Where will populations shrink? Germany, Eastern Europe, Japan, Russia 8. How was human population kept in check historically? In NYC by the United Nations 9. What allowed the rapid growth since 1800 when we reached 1 billion people? Control of death rates, extension of life, less disease, ppl is more healthy 10. Which resource is perhaps strained the most as we continue to grow? Food production, productive capacity of the earth has physical limits and this limit will control how many ppl it can support 11. How much (%) of the earth’s available freshwater supply to humans appropriate? 1% 12. What uses do we appropriate this water for? Transform deserts into fields, build cities in dry location, generate energy into rivers 13. How many people already lack access to safe drinking water? More than a billion people 14. In the coming years how much of the World’s population will live in water stressed areas? In 20 years,

15. What are some of the causes?

Leaks in the system, and pack up reservoir running dry 16. What two uses consume the most water at the global scale? Energy and agriculture 17. How much water does it take to make one cup of coffee? 120 L, A bottle of beer? 150L, A cotton shirt? 3,000L 18. How will be double the amount of food we currently produce. Why is this approach necessary? Through raising productivity, necessary due to limited available land to expand to 19. How have we done this in the past? In the 20th century the industrials nation triples their farming use with the invention of synthetic fertilizer and the introduction of mechanized processors. 20. How are the richest countries assuring their own future food security? Getting land abroad from poor countries to feed its own people 21. What region of the world is particularly popular with countries looking for agricultural land? Why is this problematic? China in Africa, Kazakhstan, Mexico and brazil. Saudi Arabia in Sudan UK in Angola, Malawi and Ukraine Most countries are looking into buying land in Africa It is problematic because these lands who are getting sold are not even able to feed its own population, and there will not be enough land for the population of these countries 22. How might the Rwandan conflict and genocide be partially attributed to resource shortages? People were encouraged to kill its neighbors in order to inherit its land, due to land shortage 23. Energy demand is expected to grow by how much over the next 2 decades? 40% 24. What has cheap energy allowed us to do? Wealth to many nations, is to appropriate the earth’s natural resources to serve our needs without paying too much attention to the earths effect on the environment and other species 25. What are some of the examples of the damage that has been caused? There is less fish in the ocean, 10% of the coral reefs are estimated to vanish, 70% of our plants are under extensions 26. What is carrying capacity? How is it calculated? Is it static or flexible? It’s a calculation of how large a population any given environment can support 27. How much land is there for each living person, according to William Reese? 2 global hector each

28. How many people can the earth support if we all consumed at the same rate as the average person in Indian? 15b ppl Rwanda? 18b ppl United States? 1 and a half 29. What is overshoot? Each year, the human population at current average levels of consumption EU and US, is already exciting the productive capacity of the earth. I term of ability to produce but also in terms of capacity to assimilate our waist. 30. We need the earth to not only provide resources, but to also…able to assimilate our waist 31. Our current way of life requires ________ earths to support it. 1 and a half earths 32. What is the implication for those of us living here in the developed world? Have to give up some of our consumptions 33. What are the three ways we can reduce our impact on the environment? Stop consuming so many resources, change our technology, and reduce our growth of population 34. How did China manage to slow its population growth? It introduces its one child policy; families were encouraged to have fewer children and those that did not follow were billed. The policy was a direct response to the preceding decade of famine and starvation 35. What is the current fertility rate in Kerala? 1.5 children 36. What conditions have led to Kerala’s success in stabilizing the population? Education, when women are well educated, they tend to have fewer children as they will marry later in life 37. What simple piece of medical technology is required for reaching population sustainability? Contraception 38. What some of the glimmers of hope on the population front? Governments across the world are beginning to recognize that the life support services provided by our ecosystems are in need of repair and are doing something about it. 39. The number of people on the planet in the future depends on…stop polluting so much, using water in much more sustainable way, less population...


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