英语口语3

A: What can we students do to prevent pollution?
B: There are many things we as humans can do to prevent pollution.
A: Oh really? Could you please tell me more about these things?
B: Well, we can help to reduce and prevent air pollution by using less electricity and gasoline.
A: Can you please be more specific?
B: Sure, for example we can walk, cycle or use public transportation instead of driving our own cars, as car emissions contribute to a large part of air pollution.
A: Is there anything else to prevent air pollution?
B: Yes, turn off lights, TV, radio and other electrical items when not in use and use low-energy or energy saving light bulbs. These are all ways of preventing air pollution.
A: What about water pollution?
B: There are a number of ways that you can help prevent water pollution around your house, school, work or neighborhood.
A: Please tell me what they are?
B: Install "low-flow" shower heads and fauc