In terms of numerical reference in Text I,...

A

1.4 million (line 13) refers to the number of people who have been involved in conflicts over water.

B

47% (line 17) refers to the percentage of countries in the world already facing water scarcity.

C

more than three billion people (line 19) refers to the number of people who might suffer from water shortage by 2025.

D

2009 (line 22) refers to the only year when Cyprus faced an unparalleled rise in temperature.

E

30-year horizon (line 59) refers to the period of time the financial crisis in Europe will last.