chapter 2 global issues, lesson 2

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Unit 1 The World Unit 1 The World Chapter 2 Global Issues( Chapter 2 Global Issues( 问问 问问 ) ) Lesson 2 The Environment( Lesson 2 The Environment( 环环 环环 ) )

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International School's Grade 6 Geography class using the text World Geography and Cultures. Macaulay Zhu and Warren thompson are the teachers of 6.8, 6.9 and 6.10 bilingual classes

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Page 1: Chapter 2 Global Issues, Lesson 2

Unit 1 The World Unit 1 The World

Chapter 2 Global Issues(Chapter 2 Global Issues( 问题问题 ))

Lesson 2 The Environment(Lesson 2 The Environment( 环境环境 ))

Page 2: Chapter 2 Global Issues, Lesson 2

What is Global What is Global Warming?Warming?

Page 3: Chapter 2 Global Issues, Lesson 2

What is Global What is Global Warming?Warming?

Page 4: Chapter 2 Global Issues, Lesson 2

What about Air What about Air Pollution?Pollution?

harming the ozone layer

Page 5: Chapter 2 Global Issues, Lesson 2

     20002000 年我国二氧化硫排放年我国二氧化硫排放

量为量为 19951995 万吨,居世界第万吨,居世界第一位。据专家测算,要满一位。据专家测算,要满足全国天气的环境容量要足全国天气的环境容量要求,二氧化硫排放量要在求,二氧化硫排放量要在现有基础上至少削减现有基础上至少削减 40%40% 。。此外,此外, 20002000 年中国烟尘排年中国烟尘排放量为放量为 11651165 万吨,工业粉万吨,工业粉尘的排放量为尘的排放量为 10921092 万吨。万吨。大气污染是中国目前第一大气污染是中国目前第一大环境问题。大环境问题。

大气污染问题大气污染问题

Page 6: Chapter 2 Global Issues, Lesson 2

The oceansThe oceans

What about Water What about Water Pollution and Erosion?Pollution and Erosion?

Page 7: Chapter 2 Global Issues, Lesson 2

水环境污染问题水环境污染问题  中国七大水系的污染程度依次是:辽河、海河、中国七大水系的污染程度依次是:辽河、海河、

淮河、黄河、松花江、珠江、长江淮河、黄河、松花江、珠江、长江,其中,其中 42%42%的水质超过的水质超过 33 类标准(不能做饮用水源),全类标准(不能做饮用水源),全国有国有 36%36% 的城市河段为劣的城市河段为劣 55 类水质,丧失使类水质,丧失使用功能。大型淡水湖泊(水库)和城市湖泊水用功能。大型淡水湖泊(水库)和城市湖泊水质普遍较差,质普遍较差, 75%75% 以上的湖泊富营养化加剧,以上的湖泊富营养化加剧,主要由氮、磷污染引起。主要由氮、磷污染引起。

Page 8: Chapter 2 Global Issues, Lesson 2

Soil erosion(Soil erosion( 土壤侵蚀土壤侵蚀 ))

Page 9: Chapter 2 Global Issues, Lesson 2
Page 10: Chapter 2 Global Issues, Lesson 2

水土流失问题水土流失问题 中国全国每年流失的土壤总量达 中国全国每年流失的土壤总量达 5050 多亿吨,多亿吨,

每年流失的土壤养分为每年流失的土壤养分为 40004000 万吨标准化肥万吨标准化肥(相当于全国一年的化肥使用量)。自(相当于全国一年的化肥使用量)。自 19194949 年以来,中国水土流失毁掉的耕地总量年以来,中国水土流失毁掉的耕地总量达达 40004000 万亩,这对中国的农业是极大损失。万亩,这对中国的农业是极大损失。

Page 11: Chapter 2 Global Issues, Lesson 2

Pollution In ShanghaiPollution In Shanghai

Page 12: Chapter 2 Global Issues, Lesson 2

What Do people and What Do people and Environment Interact?Environment Interact?

DamsDams

Page 13: Chapter 2 Global Issues, Lesson 2

IrrigationIrrigation

Page 14: Chapter 2 Global Issues, Lesson 2

Adapt to EnvironmentAdapt to Environment

Page 15: Chapter 2 Global Issues, Lesson 2

Daylight saving time

Page 16: Chapter 2 Global Issues, Lesson 2

What will improve What will improve the Environment?the Environment?

Page 17: Chapter 2 Global Issues, Lesson 2

What Are Developing What Are Developing Countries Doing? Countries Doing?

Developing countries face problems that Developing countries face problems that developed countries may not have.developed countries may not have.

They rely on richer countries for money They rely on richer countries for money to help clean up the environment. BUT…to help clean up the environment. BUT…

Page 18: Chapter 2 Global Issues, Lesson 2

How Can People How Can People Protect the Protect the

Environment?Environment? Reducing(Reducing( 减少减少 ) ) Reusing(Reusing( 重复使用重复使用 )) Recycling(Recycling( 循环使用循环使用 ))