The exhibition will focus on three topics: water source protection, global warming and the aging problem.

该展区主要有三个主题：保护水源，全球变暖问题和老龄化问题。

youdao

Based on the pollutant equivalent method, the trends of pollution source and pollutant load in 1996 ~ 2007 are studied and the trend of water environment quality in Three Gorges Reservoir is analyzed.

基于污染物当量计算方法，探讨了1996年- 2007年三峡水库建设期间污染物来源、各污染源及污染物当量逐年变化趋势，初步分析了库区水体水环境质量总体变化趋势。

youdao

Problems of water source, flood disaster, and water pollution are the three hydrological responses in urbanization process, also are the main issues in water environment management.

水源问题、洪水问题、污水问题是城市化过程中的三大水文响应，也是城市水环境管理研究的重要课题。

youdao

Paget says Belu -- derived from the word blue and the Italian word for beautiful, "bella" -- takes a three-pronged approach to its clean water projects, by not only providing a clean water source for drinking but water for washing hands and education about the importance of hygiene.

CNN: Eco-friendly bottle for ethical water

Declared one of three wetlands of global importance by Unesco in 1971, the Everglades is also the source of drinking water for approximately five million people in south Florida.

BBC: Florida��s newest wildlife refuge