We know that most of the desert countries are economically backward countries. Some desert countries make much of revenue by exporting oil but agrarians, cattle rearers and nomads are also seen in those countries. Though it is difficult to do agriculture and animal rearing in deserts, there are possibilities to improve economical and environmental conditions in desert. From Thar desert in east to Sahara desert in west, we can see many zones covered with desert terrains but we can see fertile lands in basins of rivers like Sindh, Tigris and Euphrates.
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Conserving river beds for better environment
There is also a trend called sand mining that is dangerous to environment. Excessive mining of sand in river beds spoils rivers and also results the decrease of ground water level. Ponds and lakes store rain water and also inject water in to underground and help in conserving ground water level. Sand mining increases the depth of river beds and more extent of rain water flows into rivers rather than flowing in to ponds and lakes if river bed depth increases. Ponds and lakes dry up and cannot contribute in conserving rain water and level of ground water.
Accumulation of resources in deserts
Though deserts are often not suitable for livelihood, there are still some people who live in deserts. They settle near oases and live by agriculture or cattle taming. Some people also live nomadic life by wandering for collecting fruits of desert trees and selling camel’s meat. It is possible to make better living conditions in deserts, definitely in semi-deserts.
Sponge iron pollution.....Raipur "the most polluted capital in the world"
India thrives on a cheap and dirty industrialisation model.