1 The problem of Environment
2 Work in pairs: What do you think is the most serious environmental problem?
water shortage global warming
water pollution animals in danger
resource shortage loss of forests
A: What do you think is the most serious environmental problem
B: I think it is air pollution.
A: What are the possible causes of the air pollution
B: It’s polluted by the gases from cars and factories.
A: What can we do to prevent the pollution?
B: I think we can plan..