You will hear a recording. Type the missing words in each blank.

Safe water can become (1) …………………….. as a result of poor (2) …………………………. or the chemical fertilizers used in agriculture. So, how is it possible to ensure that people everywhere have access to the water they need? Well, one answer is to build (3) ……………………… But, of course, dams don’t provide a (4) …………………………… solution. They may supply energy and fresh water to those who live nearby, but there’s often a price to (5) ……………. . In some cases, millions of people are forced to leave their homes before the area is (6) ……………………… .  In other cases, the people who live (7) …………………………… may suddenly find themselves without the water they once enjoyed. When we bear in mind factors like these, we begin to understand how water issues can lead to political (8) ………………………. and other tensions.

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