Chapter 9: Pollution in the World

CHAPTER 9 Pollution in the World

In this lesson, you will understand: ,[object Object],[object Object],[object Object]

Smog covering the city of Hong Kong

EQ1: What is Pollution? ,[object Object],[object Object]

EQ1: What is Pollution? ,[object Object],[object Object],[object Object]

EQ1: What is Pollution? ,[object Object]

EQ1: What is Pollution? ,[object Object],Air pollution can lead to water pollution.

EQ2: What is Air Pollution? ,[object Object],[object Object]

EQ2: What is Air Pollution? ,[object Object],[object Object],[object Object]

I. Causes of Air Pollution ,[object Object],[object Object],release volcanic ash, smoke and gases into the air

[object Object],[object Object],High temp. and low rainfall can create dry conditions I. Causes of Air Pollution

[object Object],[object Object],Dust, smoke and sulphur dioxide emitted into air I. Causes of Air Pollution

[object Object],[object Object],I. Causes of Air Pollution Carbon monoxide and nitrogen oxides.

[object Object],[object Object],I. Causes of Air Pollution Dust and smoke particles

II. Impacts of Air Pollution ,[object Object],[object Object]

[object Object],[object Object],II. Impacts of Air Pollution

[object Object],[object Object],[object Object],II. Impacts of Air Pollution

[object Object],[object Object],[object Object],[object Object],[object Object],II. Impacts of Air Pollution

EQ3: What is Water Pollution? ,[object Object],[object Object]

I. Causes of Water Pollution ,[object Object],[object Object],[object Object]

I. Causes of Water Pollution ,[object Object],[object Object]

II. Impacts of Water Pollution ,[object Object],[object Object]

II. Impacts of Water Pollution ,[object Object],[object Object],[object Object]

EQ4: What is Land Pollution? ,[object Object],[object Object],[object Object]

I. Cause of Land Pollution ,[object Object],[object Object]

Proper waste disposal management

I. Cause of Land Pollution ,[object Object],[object Object],[object Object],[object Object]

II. Impacts of Land Pollution ,[object Object],[object Object],[object Object],[object Object],[object Object]

II. Impacts of Land Pollution ,[object Object],[object Object]

II. Impacts of Land Pollution ,[object Object],[object Object],[object Object]

Measures Taken to Reduce Pollution ,[object Object],[object Object],[object Object],The United States has implemented the Oil Pollution Act of 1990 which requires all oil tankers to have double hulls by 2015. The European Union has also voted to ban single hull oil tankers from their waters by 2010.

Measures Taken to Reduce Pollution ,[object Object],[object Object],[object Object],Beijing, China

Measures Taken to Reduce Pollution ,[object Object],[object Object],[object Object],[object Object],[object Object],Windmills in Spain

Measures Taken to Reduce Pollution ,[object Object],[object Object],[object Object],[object Object],[object Object]

Measures Taken to Reduce Pollution ,[object Object],[object Object],[object Object],[object Object]

Measures Taken to Reduce Pollution ,[object Object],[object Object],[object Object],[object Object],Environmental conservation concepts like the 3Rs — Reduce, Reuse and Recycle, can be promoted through public education.

Measures Taken to Reduce Pollution ,[object Object],[object Object],Go ‘green’ Ride bicycles, take public transport, recycle old newspapers

Measures Taken to Reduce Pollution ,[object Object],[object Object],[object Object],[object Object],Be informed and get involved.

Noise Pollution ,[object Object],[object Object],Special/Express stream only The different degrees of loudness of noise are measured in decibels. Noise above 130 decibels hurts the ears and damages hearing.

Noise Pollution ,[object Object],[object Object],Special/Express stream only An airplane taking off from a runway produces noise of about 120 decibels. Vehicles on a busy street creates about 60 to 90 decibels of noise.

Noise Pollution ,[object Object],[object Object],Special/Express stream only Drilling, piling, knocking and use of heavy machinery. Cheering spectators in a stadium.

Noise Pollution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Special/Express stream only Prolonged exposure to noise raises our blood pressure, heart rate, anxiety and stress levels.

Noise Pollution ,[object Object],[object Object],[object Object],[object Object],Special/Express stream only Mufflers can be installed in noisy equipment or in vehicles to absorb noise.

Noise Pollution ,[object Object],[object Object],[object Object],[object Object],Special/Express stream only

Environmental Protection in Singapore ,[object Object],[object Object],[object Object],[object Object]

Environmental Protection in Singapore ,[object Object],[object Object],[object Object]

Environmental Protection in Singapore ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Environmental Protection in Singapore ,[object Object],[object Object],Our drinking water quality is excellent and meets the Guidelines for Drinking-Water Quality set by the World Health Organisation.

Environmental Protection in Singapore ,[object Object],[object Object],[object Object],[object Object],Grey or Green? It’s your choice.

Skills Builder: Suggested Answers ,[object Object],[object Object],[object Object]

Chapter 9: Pollution in the World

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Chapter 9: Pollution in the World