This is a reading comprehension worksheet for pre-intermediate and intermediate students. The topic text is related to pollution; its causes and effects on people and environment. the students will read the text and give a definition of pollution with reference to the text .then they will try to find out the types of pollution mentioned in the text.In activity three they will work in groups to complete the table: the different causes of each type of pollution and its effects on people as well as on the environment. Finally, they will have to find the words from the text that correspond to the definitions or explanations given.