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Unit 4: Green Issues

Lesson 7Protecting the Environment

Listening

1. Look at the images. Then, relate them to the concepts you hear. 41

2. Use the words to complete the text.

decompose - artificial- pollution - dioxide - air - water agricultural- oxygen - burning - factories

a.happens when nature does not know how to

b.an element that was not introduced in the environment naturally. If we put in the environment c.things like plastic,we pollute the enviroment. There are many types of pollution. First, there is d.pollution. Some of the main sources of this kind of pollution are the e.of fossil fuels and emissions of carbon f.from vehicles and g.Then, there's h.pollution.Sources of this kind of pollution include the waste from i.fields, industrial sites and urban areas. Additionally, if fertilizers get thrown into the sea, algae grows too much, which reduces the amount of available 1for other species.


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Unit 4 Green Issues