1. Latin America’s Environmental Concerns Unit 7

2. #1 Air Pollution in Mexico City ◊second most populated city in the world--Tokyo is first ◊nearly 20 million people live here ◊city’s population & location contribute to its bad air pollution problem ◊considered to be the most polluted city in the world ◊second most populated city in the world--Tokyo is first ◊nearly 20 million people live here ◊city’s population & location contribute to its bad air pollution problem ◊considered to be the most polluted city in the world

3. #2 Air Pollution Over Mexico City

4. #3 Air Pollution Over Mexico City

5. #4 Causes of Air Pollution 1.huge population = lots of cars 2.high elevation--less oxygen so fuels don’t fully burn --higher level of gases that harm eyes, lungs, & the heart 3.Sierra Madre mountains surround city & trap in polluted air 1.huge population = lots of cars 2.high elevation--less oxygen so fuels don’t fully burn --higher level of gases that harm eyes, lungs, & the heart 3.Sierra Madre mountains surround city & trap in polluted air

6. #5 Surrounded by Mountains…

7. #6 Solutions ◊To reduce air pollution, the city promotes public transportation (buses, subway). ◊The city is also testing buses that run on cleaner burning fuels. ◊new restrictions on car use ◊workshops to teach people about the environment ◊To reduce air pollution, the city promotes public transportation (buses, subway). ◊The city is also testing buses that run on cleaner burning fuels. ◊new restrictions on car use ◊workshops to teach people about the environment

8. How does geography play a role in Mexico City’s air pollution problem? A.It is one of the world’s largest cities. B.The city has views of distant snowcapped mountains. C.It lies in a bowl-shaped valley that traps air pollutants. D.The cars and factories send pollution such as lead, sulfur, and carbon monoxide into the air. A.It is one of the world’s largest cities. B.The city has views of distant snowcapped mountains. C.It lies in a bowl-shaped valley that traps air pollutants. D.The cars and factories send pollution such as lead, sulfur, and carbon monoxide into the air.

9. What are the main sources of air pollution in Mexico City? A.Intense sunlight B.The high altitude C.Factories and cars D.Cars that produce little or no air pollution. A.Intense sunlight B.The high altitude C.Factories and cars D.Cars that produce little or no air pollution.

10. Which solution is a way that the government is trying to reduce pollution in Mexico City? A.Ignoring cars with exhaust problems B.Reducing the number of buses and trains C.Making sure the population continues to grow. D.Increasing the number of cars that produce little or no air pollution. A.Ignoring cars with exhaust problems B.Reducing the number of buses and trains C.Making sure the population continues to grow. D.Increasing the number of cars that produce little or no air pollution.

11. Which solution to Mexico City’s air pollution problem would be most challenging to businesses? A.Closing factories 1 day a week B.Using fuels that produce less pollution C.Having employees ride trains or buses to work D.Asking citizens to leave their cars at home 1 day a week A.Closing factories 1 day a week B.Using fuels that produce less pollution C.Having employees ride trains or buses to work D.Asking citizens to leave their cars at home 1 day a week

12. #7 Amazon Rainforest ◊largest rainforest in the world ◊most of the rainforest is in Brazil ◊experiences a hot, humid, & rainy tropical climate ◊home to a huge variety of plants, trees, insects, birds, & animals ◊produces 1/3 of the earth’s oxygen ◊largest rainforest in the world ◊most of the rainforest is in Brazil ◊experiences a hot, humid, & rainy tropical climate ◊home to a huge variety of plants, trees, insects, birds, & animals ◊produces 1/3 of the earth’s oxygen

13. Go to WWW.Brainpop.com and watch the video on Tropical RainforestsWWW.Brainpop.com Go to WWW.Brainpop.com and watch the video on Tropical RainforestsWWW.Brainpop.com

14. #8 Amazon Rainforest

15. #9 Destruction of the Amazon Rainforest ◊In the 1950s, the Brazilian government began building a major highway system. opened rainforest to loggers ◊Brazil’s population has increased--parts of rainforest are being cut down to create farms ◊In the 1950s, the Brazilian government began building a major highway system. opened rainforest to loggers ◊Brazil’s population has increased--parts of rainforest are being cut down to create farms

16. #10 Before…

17. #11 After…

18. #12 Results of Deforestation… ◊Plants & animals are losing their homes; many are endangered, and some are becoming extinct. ◊Loss of trees increases carbon dioxide, a gas that contributes to global warming. ◊Plants & animals are losing their homes; many are endangered, and some are becoming extinct. ◊Loss of trees increases carbon dioxide, a gas that contributes to global warming.

19. #13

20. #14

21. #15

22. #16 Solutions… ◊The government is working to fix the deforestation problem by passing laws on cutting down too many trees. ◊What else can be done? ◊The government is working to fix the deforestation problem by passing laws on cutting down too many trees. ◊What else can be done?

23. Which is a problem associated with deforestation? A.More oxygen is available on the planet. B.Poor people earn money from selling trees. C.Native people have too much forest for their needs. D.There is less forest to produce goods that humans need. A.More oxygen is available on the planet. B.Poor people earn money from selling trees. C.Native people have too much forest for their needs. D.There is less forest to produce goods that humans need.

24. Why does deforestation increase when the value of crops and cattle go up? A.The value of timber goes up. B.Laws to protect the rainforest are not enforced. C.People think they can make more profit selling cattle and crops. D.Environmental groups work with the government only when prices are down. A.The value of timber goes up. B.Laws to protect the rainforest are not enforced. C.People think they can make more profit selling cattle and crops. D.Environmental groups work with the government only when prices are down.

25. What is the main crop grown in areas of deforestation? A.Cocoa B.Rubber C.Soybeans D.Brazil nuts A.Cocoa B.Rubber C.Soybeans D.Brazil nuts

26. The world gets about 20% of which resource from the Amazon Rain Forest? A.Medicine B.Oxygen C.Rubber D.Soybeans A.Medicine B.Oxygen C.Rubber D.Soybeans

27. ◊Use the graph on pg. 18 of your CRCT book to answer questions 17-20

28. #17 Oil-Related Pollution in Venezuela ◊One of the world’s leading producers of oil has been producing oil for about 100 years ◊Oil production has boosted economy Main source of income for many people ◊Oil production results in toxic waste, air pollution, & oil spills ◊One of the world’s leading producers of oil has been producing oil for about 100 years ◊Oil production has boosted economy Main source of income for many people ◊Oil production results in toxic waste, air pollution, & oil spills

29. #18 Problems… ◊Venezuela’s coast has become polluted with oil. oil spills have damaged the environment hurts the ability of fishermen to earn a living ◊Venezuela’s coast has become polluted with oil. oil spills have damaged the environment hurts the ability of fishermen to earn a living

30. #19 Result of Drilling for Oil…

31. #20 Problems… ◊Venezuela leads South America in the production of carbon dioxide, which is a by-product of burning fossil fuels like natural gas & oil. can cause breathing problems for children & elderly contributes to global warming ◊Venezuela leads South America in the production of carbon dioxide, which is a by-product of burning fossil fuels like natural gas & oil. can cause breathing problems for children & elderly contributes to global warming

32. #21 Problems… ◊Oil businesses have damaged Lake Maracaibo (largest lake in South America). ◊Large amounts of oil have been removed from the area so the land is changing. eastern shore of the lake is dropping about three inches a year government is having to take precautions to keep water from flooding into nearby towns ◊Oil businesses have damaged Lake Maracaibo (largest lake in South America). ◊Large amounts of oil have been removed from the area so the land is changing. eastern shore of the lake is dropping about three inches a year government is having to take precautions to keep water from flooding into nearby towns

34. #22 Why oil? ◊Money from selling oil is the country’s main source of income. ◊Venezuelans are motivated to keep producing, selling, and burning oil--and polluting. ◊Money from selling oil is the country’s main source of income. ◊Venezuelans are motivated to keep producing, selling, and burning oil--and polluting.

35. #23 Solutions… ◊People are becoming aware that the cost in the long term may be too great. ◊Groups are calling for renewable energy sources and the clean-up and prevention of pollution. ◊People are becoming aware that the cost in the long term may be too great. ◊Groups are calling for renewable energy sources and the clean-up and prevention of pollution.

36. What problem has been caused by oil production in Venezuela? A. About 15% of US oil comes from Venezuela B.The coast along the Caribbean Sea has been polluted with oil C.Lake Maracaibo has become the largest lake in South America D.Venezuela is more polluted than other South American countries A. About 15% of US oil comes from Venezuela B.The coast along the Caribbean Sea has been polluted with oil C.Lake Maracaibo has become the largest lake in South America D.Venezuela is more polluted than other South American countries

37. Why might the Venezuela government NOT want to stop oil production in the country, even though it causes a lot of pollution? A.The government gets about half of its money from the oil business. B.The government does not care about damage to the environment. C.People along Lake Maracaibo are now protected by a dike to prevent flooding. D.People in Venezuela don’t care about the environment as much as other people. A.The government gets about half of its money from the oil business. B.The government does not care about damage to the environment. C.People along Lake Maracaibo are now protected by a dike to prevent flooding. D.People in Venezuela don’t care about the environment as much as other people.

38. Who is affected first by carbon dioxide pollution? A.Healthy adults B.Children and the elderly C.Farmers along Lake Maracaibo D.Fisherman along the Caribbean coast A.Healthy adults B.Children and the elderly C.Farmers along Lake Maracaibo D.Fisherman along the Caribbean coast

39. Some scientists believe that increases in carbon dioxide contribute to A.Algal bloom B.Oil slicks on the Caribbean coast C.Global warming D.Clear cutting A.Algal bloom B.Oil slicks on the Caribbean coast C.Global warming D.Clear cutting