1. India's population recently hit 1 billion, but its interior framework in water, transportation and health care is fast falling apart;
    印度的人口最近已达到10亿，但是国内的供水、交通和保健体系却正在迅速地分崩离析；

2. In spite of rapid population increase and industrial growth, some groups of people, often in remote areas, have been able to live in harmony with the planet.
    尽管人口在迅速增长，工业发展很快，还是有一些人类群体——常常是居住在偏远地区的人们——能与地球和睦共处。

3. Its graphs combine information obtained from a variety of population and household studies from dozens of countries.
    其图表所包含的信息来自对几十个国家的人口和家庭问题所做的各种研究。

4. In fact, there is no scientific basis for theories pushing the genetic superiority of any one population over another.
    实际上，那种认为某一种群比另一种群的基因更优越的理论是毫无科学根据的。