求一个两人的英语对话,甲乙双方热烈讨论之间的关系经济的发展和环境污染和能源短缺问题.

A：Well,no one could survive without water.But you see pollution has been making more and more water unable for drinking.
B：Yeah.Water pollution has for a long time been a major concern among the environmental issues.
A：But what are the sources of water pollution?
B：They could generally be divided into two categories:direct and indirect contaminant sources.
A：Well,direct ones are pollution directly from factories,refineries,waste treatment plants etc.,aren't they?
B：Yeah.They are emitted directly into urban water supplies.
A：But what about the indirect ones?
B：Indirect sources include contaminants that enter the water supply from soils or groundwater systems and from the atmosphere via rainwater.
A：I see.for the sake of us all,we should be an active participator in the prevention of it.
B：Sure.it's an issue asking for everyone's participation.

要热烈讨论，还要讨论这么多问题，这对话还要简单，实在是有点困难……

要热烈讨论，还要讨论这么多问题，这对话还要简单，实在是有点困难……不然你把问题给简化一下好不好？