Đề bài
Đọc kỹ, gạch chân từ khoá trước khi viếtArtificial light at night is spreading rapidly through modern cities, from street lamps to illuminated billboards, and this has led to growing concern about light pollution.
What are the main causes of light pollution in urban areas? What measures could governments and individuals take to reduce it?
Give reasons for your answer and include any relevant examples from your own knowledge or experience.
Write at least 250 words.
