当我们从全球的角度来看环境问题时，首先注意的是环境问题引起人们的各种担心。发达国家担心的是大气和水的污染，能源的紧张，城市对农村面积的不断蚕食。发展中国家最担心的是营养不良，人口增长，水源不足，缺少教育和就业机会。

参考译文：

When we examine environmental problems in a global context the first thing that impresses us is the variety of concerns they evode.2, 3) Whereas in the developed world the focus is on air and water pollution the energy shortage and chewing up of the rural areas by urban sprawl the concern of the developing countries will most likely center on malnutrition population growth insufficiency of water the lack of education and jobs.