water pollution problems

例句：

1. 1.The increasing amount of plastic waste in the ocean is a major water pollution problem.
   海洋中越来越多的塑料垃圾是一个重要的水污染问题。
2. 2.The government has taken measures to address the water pollution problems caused by industrial activities.
   政府已经采取措施来解决由工业活动引起的水污染问题。
3. 3.The city has launched a campaign to raise awareness about the water pollution problems and encourage people to adopt sustainable practices.
   该市启动了一场运动，以提高人们对水污染问题的意识，并鼓励人们采取可持续的做法。