56 The major issue with a growing population is shortages of both food and water.

57 Waste pollutes clean water.

58. It contributes to about two million deaths a year .

59 Crime and violence will increase along with urban density .

60 Our planet likely to increase violence worldwide because of the economic pressure caused by heat and drought .

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V.

56. The major issue with a growing population is shortages of both food and water.

57. Waste pollutes clean water, making it undrinkable.

58. Outdoor air pollution contributes to about 2 millions deaths a year.

59.  Crime and violence will increase along with urban density.

60. Our planet is likely to increase violence worldwide because of the economic pressure caused by heat and draught.