Κυριακή, 6 Σεπτεμβρίου 2009

HOME - a film by Yann Arthus Bertrand

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Summary of issues in HOME

1. How old is life on Earth? 4 billion years old (humans 200 000 years)

2. What is the most primitive and oldest form of life that appeared on Earth which is the ancestor to all existing plant life? Blue-green algal cyan bacteria

3. What is the fertile layer on the land called, where all life on land is linked to? humus

4. Which species has taken possession of every habitat and conquered the most land? humans

5. How long were humans nomadic for until they started settlements? 180 000

6. Where do most of the world’s populations live? coastlines, rivers

7. What proportion of the world’s still live as humans did 6 000 years ago? ¼ 25%

8. What revolution in human history caused the creation of cities and civilizations? agriculture

9. How much of the world’s population work in agriculture? ½ (>3 billion)

10. How many people live in cities around the world? 3 ½ billion people

11. What is most of the grain produced in industrialized countries (such as USA) used for? animals feed or bio fuel

12. How much of the world’s water consumption is used by agriculture? 70%

13. How water is used to produce 1 kg of:
· Potatoes 100 liters
· Rice 4 000 liters
· Beef 13 000 liters

14. How much of the world’s mineral resources are consumed by 20% of the world’s population? 80%

15. How many containers are transported every year around the world? 5 million (or 500 million)

16. Why is Dubai one of the world’s top countries in terms of carbon footprint? no used renewable energy resource, don’t use solar energy, desalinate all water by using (fossil fuel) carbon energy, get all natural resources from other countries

17. How much of the world’s fishing grounds are exhausted, depleted or endangered? 75%

18. Why did agriculture fail in the Saudi Arabian Desert? fossil water reserves are duple too used too much fossil water

19. Why is the Dead Sea dying? Jordan rivers dries out less water coming to it from river Jordan

20. Which city’s inhabitants in the desert is one of the world’s biggest consumers of water? Las Vegas in USA

21. How many people could be affected by water shortage before 2025? 2 billion people

22. Where is ¾ of the world’s biodiversity found? tropical, rainforest

23. The Amazon Rainforest is being deforested. What is the land being used for instead? livestock farms/cattle rancher grow soya beans – used to feed livestock

24. What are the main land uses that is replacing the rainforest of Borneo? palm oil production – grow palm trees and grow eucalyptus trees to make paper

25. So, what are the three main cause of deforestation in the primary rainforest of the world? grow, eucalyptus , palm oil trees and soya bean

26. What can we learn about our present environmental situation from the fate of Easter Island? out down all trees overpopulated, small scale of what is happening to earth now

27. How much of the world’s wealth is held by the richest 2% of the world’s population? 50%

28. How much of the world’s population has no access to clean drinking water and electricity? 1 in 6 people, 1/6 world population

29. By what year will be seeing ice-free Arctic summers? 2015-2030

30. How much of the world’s fresh water does Greenland hold as ice? 20%

31. What will happen if it all melts? 7 meters sea level rise Europe ice age

32. How much coral reef has disappeared? 30%

33. Name three areas which will be (and already being) affected by sea level rise? Tokyo, Bangladesh, Netherland, Maldives, London

34. How is the retreat of the glaciers in the Himalayas (Nepal) affecting Bangladesh? floods, migration, extreme hurricanes

35. How many people are at risk of becoming CLIMATE REFUGEES by 2050? 200 million

Παρασκευή, 4 Σεπτεμβρίου 2009

GLOBAL WARMING When You Feel It, It’s Already Too Late

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ΠΑΓΚΟΣΜΙΑ ΥΠΕΡΘΕΡΜΑΝΣΗ ΤΟΥ ΠΛΑΝΗΤΗ
ΛΟΓΟ ΤΟΥ ΦΑΙΝΟΜΕΝΟΥ ΤΟΥ ΘΕΡΜΟΚΗΠΙΟΥ
Όταν Την Αισθανθείτε, Θα Είναι Πλέον Αργά.