We are addressing issues like air pollution, water pollution and sustainable development.

我们正询问空气污染，水污染和持续发展的问题。

We monitor the whole 2000 square kilometer area which Dianchi Lake water covers and control the water pollution considering the whole picture.

我们监测总面积达2000平方公里的滇池水域，从全局控制水污染状况。