The chart below shows the percentage of land area affected by desertification in three different regions of the world in 1990 and 2010. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
Of all the global environmental problems, desertification is, perhaps, the most threatening for poor rural people. Desertification is the expansion of desert lands into previously non-desert areas. What are the causes of this problem? What can be done to solve this problem?
Of all the global environmental problems, desertification is, perhaps, the most threatening for poor rural people. Desertification is the expansion of desert lands into previously non-desert areas. What are the causes and consequences of desertification? How can this issue be solved ?