Some people think that it is better to live in vertical city (mean that people work and live in high buildings) while others think a horizontal city is better. Discuss both views and give your opinion.

The pie chart presents the major causes that make land degraded and the table provides information about the key factors in three different continents (North America, Europe, Oceania) in 1990s. Overall, it can be seen in the pie chart that most of agricultural degraded land cause by over-grazing and

deforestation

.

In addition

, the table shows that European people suffered from

this

problem more than other areas considered. Regarding the worldwide causes, over-grazing and

deforestation

together account for 65%. Being the largest

number

,

percentage

of over-grazing comprise of 35%.

Additionally

,

the

Suggestion

the amount

number

of

deforestation

, which is the

second

largest one is 30%. Considering the regional causes, Europe was the continent that most suffered from

this

issue with the

percentage

of 23%;

on the other hand

, the

number

of North America was the lowest with the

number

of 5%. 9.8% represents the

percentage

of land degraded by

deforestation

, which was the greatest factor in Europe. The largest cause of

this

in North America was over-grazing with the

percentage

of 3.3%