A - What is environment?, B - What is environment?, C - What are the main environmental problems?, D - What can be done to reduce pollution?, E - What ecological problems do big cities face?, F - How can recycling help solve some problems?, G - What is deforestation? Why is it a big problem?, H - Why do some people think that all private transport should be banned from the city centre?, I - Should lessons on saving the environment be compulsory at school? Why?, J - Should young people volunteer to help protect environment?, K - Why is deforestation happening?, L - Do you save energy and water at home?, M - What can ordinary people do to improve the ecological situation?, N - Where does the pollution come from?, O - What problems are caused by pollution?, P - Why is so much attention paid to ecological problems?,

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