Dr Rajiv Desai

An Educational Blog

POPULATION PROBLEM

Population Problem: _ _ Prologue: In an interview given to Economic Times, JRD Tata had reminisced how Nehru once retorted to his concerns on rising population. “Nonsense, a large population is the greatest source of power of any nation,” the first prime minister of Independent India is believed to have told the industry doyen. Subsequently India’s bulging population was seen as threat to the country’s future so much so that Nehru’s grandson, Sanjay Gandhi, ran a controversial campaign of forced sterilization during the emergency (1975-77). Their present Prime Minister Narendra Modi red-flagged population explosion in the course of his Independence Day speech. Mainstream politicians, journalists, and academics frequently avoid discussing population issues since notions about population are often seen as being politically or ideologically motivated. As a result, population debates are generally argued from the fringes. Some groups characterize population growth as a Ponzi scheme, whereby increasing numbers of youth […]

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DRINKING WATER

Drinking Water:   ____________ _ For last 8 years, I lived in a small town Daman and drank purified bottled water because water supplied by local municipality is suspected of unhygienic quality and water from private bore-well may well be contaminated as many areas of town have poor sewer drainage resulting in seepage of sewage in the soil itself and sewage tanks are in the vicinity of bore-wells. Assuming you’re in reasonable shape and in ideal conditions — that is, not in the heat or cold and not exerting, a human can probably live for about 3 to 5 days without drinking water. Healthier humans can live another day or so longer. Water is believed to be elixir of life. Humanity highly depends on water and its proper utilization and management. Although, water has various uses, perhaps its use as thirst quenching fluid is the most significant one. The life-supporting […]

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THE WATER

THE WATER : Water is defined as a ubiquitous chemical substance having 2 hydrogen and 1 oxygen atoms bonded to form a molecule H2O, also known as hydrogen oxide.Deuterium is an isotope of hydrogen which combines with oxygen to form heavy water(D2O). Water is essential for survival of life as well as essential for economy,industry,ecology,climate cycle and agriculture. 60 % of human body and 80 % of human brain is water.Adult human needs 2 to 3 liters of water daily for drinking and a human can not survive for more than few days without drinking water.75 % of all people in the world are chronically dehydrated leading to day-time fatigue,cancer risk,poor mental ability and body pains.Minimum water requirement per person per day is 50 liters for drinking,bathing,cooking and sanitation.America/Canada uses 2 to 8 times more water per person than most developing nations.Civilisations have developed around water sources/rivers. Water refers to […]

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