On the other hand, tourism has exerted great pressure on the environment we are living in: water is polluted, the ecological system is disturbed, and natural resources have been excessively used.

另一方面，旅游业已经对我们生存的环境造成了巨大的压力：水受到污染，生态平衡遭到破坏，自然资源被过度开发。

youdao

Water is essential to human survival and living as natural resources.

水资源是人类生存和生活必不可少的自然资源。

youdao

Water is the base of living things on Earth. Water extraction is important to the water resources investigation, the forecasting and evaluating of flood disaster and environmental monitoring.

水是地球上万物的命脉所在，水体提取对于水资源调查、洪水灾害预测评估和环境监测等有着重要作用。

youdao

It added that over the next 25 years the number of people living in regions where water resources are tight is likely to rise from 1.7 billion to about 5.4 billion.

CNN: Climate report prompts action call

The goal: compact living environments that require less resources and that get the most out of the land, water and energy they do use.

WSJ: How to Build a Greener City