Environmental challenges Asia

It is the process by which arable lands become barren deserts

• overgrazing

• land pollution

• desertification

Human activities leading to desertification EXCEPT

• Excessive use of fertilizers

• mining

• farming

• cutting down of trees

Climatic causes of desertification EXCEPT

• Farming

• Climate change

• drought

• soil erosion

It is the most affected continent of desertification

• Africa

• Asia

• Antarctica

• Europe

It occurs when too much grazing creates patches of land where plants cannot grow

• desertification

• overgrazing

• land pollution

• deforestation

A country in Asia facing problems of overgrazing

• India

• Philippines

• Mongolia

• Korea

This happens when forests are cleared for human activities or by natural calamities

• Desertification

• Overgrazing

• Deforestation

• Reforestation

Natural cause of deforestation EXCEPT

• HURRICANES

• ILLEGAL LOGGING

• WILDFIRES

• PARASITES

These are man-made activities that lead to deforestation EXCEPT

• excessive floods

• oil extraction

• construction of dams

• urbanization

Country in Asia that is most deforested with 8 million hectares of forest cover lost from 1990-2010

• Philippines

• Mongolia

• Indonesia

• Thailand