This paper studies the urban population growth style in about 40 cities of Jiangsu province, based on the regression and Lorenz curves.

本文以江苏省40个城市为研究对象，通过回归分析方法、绘制人口洛伦兹曲线实证研究了江苏省城市人口增长的方式。

youdao

Another issue is urban sprawl. This is where cities expand into rural areas, sometimes at a much faster rate than urban population growth.

另外一个问题是城市的随意扩张，城市向农村扩张速度有时候大大超过了城市人口增长的速度。

youdao

Worldwide, virtually all population growth over the next 30 years will be in urban areas, with the most explosive growth taking place in Asia and Africa.

在世界范围内，今后30年间几乎所有的人口增长将是在城市地区，最为爆炸性的增长将在亚洲和非洲发生。

youdao

However, urban areas, although better served than rural areas, are struggling to keep up with urban population growth.

UNESCO: World Water Assessment Programme (WWAP)

The objective of World Water Day 2011 is to focus international attention on the impact of rapid urban population growth, industrialization and uncertainties caused by climate change, conflicts and natural disasters on urban water systems.

UNESCO: World Water Assessment Programme (WWAP)

During the consultations governance challenges in arid and semi-arid areas were discussed and how institutions can be better equipped to deal with risks and uncertainties, emerging out of climate change, population growth, urban-rural tensions and groundwater pollution.

UNESCO: OFFICE IN AMMAN