Rearrange the following five sentences/group of sentences (A), (B), (C), (D), and (E) in the proper sequence to form a meaningful paragraph; then answer the questions given below them.

(A) As water scarcity increases with climate change, the need for robust water resource policies will become more prevalent.  

(B) The global need for clean water access necessitates water resource policy to determine the means of supplying and protecting water resources.

(C) Water resource policy varies by region and is dependent on water availability or scarcity, the condition of aquatic systems, and regional needs for water. 

(D) An estimated 57% of the world's population will experience water scarcity at least one month out of the year by 2050.

(E) Water resource policy encompasses the policy-making processes and legislation that affect the collection, preparation, use, disposal, and protection of water resources.