Pollution Pollution Unit 7 Unit 7 NEW HORIZON ENGLISH COURSES Book TwoUnit 7 Pollution 1 Around the Topic 2 Section A 3 Section B 4 Section C Leading in Exploring the Topic Plus Activities Warming-up Text A Exercises Background Information Reading Through Exercises Related Knowledge Sample Reading Exercises Useful TermsSectionB SectionC SectionA Exploring the Topic Plus Activities Around the Topic Pollution is a major problem in the world today. It damages the environment and is harmful to huma
