"Inviting trouble"
We all know that there is a mass of water under the ground all over the world. There are petroleum coal and other minerals too. In other words the ground in the cities and villages is resting on these subsoil solids and liquids.
The earth is millions of years old and until a couple of hundred years back there was negligible extraction of subsoil stuff . Then the Age of Science dawned.
In the last hundred years in particular, we have removed massive amount of coal, water and petroleum products from under the sub soil of earth.
A number of lakes throughout the world are drying or are completely dry due to irrigation and other urban uses .When you slowly keep removing the subsoil water, trees start dying. because the water sustains the trees. Land turns barren.Lakes dry up ( eg. Badkhal lake in Faridabad .)
With the support becoming almost hollow, the ground surfaces starts sinking very slowly but steadily. To add to the woes of the earth we are now replacing old one or two storey houses with multistorey towers thus putting immence pressure on already sinking land.
A time comes when , particularly in sea shore cities, you will find sea level rising in relation to the city surfaces. SanFrancisco is already witnessing this.
while we are worried about Climate Change the plunder of the subsoil stuff contimues unabated.
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