Write one paragraph describing how to fix the Aral Sea

Sample topic sentence:
There are a variety of solutions to help fix the problems in the Aral Sea region.

How do I start my next sentence? You could...
One solution is to...
In order to fix......., farmers can....

after my first solution I could say...

Another solution is to...
In order to fix the...

How do I talk about the cons of my solutions?

example: Eventhough these solutions will take time, cost money and not everyone will agree, something must be done or.... (what will happen??)