Indian Railways is one of the largest consumer of both diesel oil and electricity in India. It uses 2.7 billion litres of diesel and around 20 billion KWh of electricity per year for traction purpose. Additionally another 2.5 billion KWh is used for non-traction related usages like powering stations and other things. This 2.7 billionContinue reading “Could Indian Railways be Solar self sufficient?”
Category Archives: sustainability
Evaporative Cooler and Tonnage
Evaporative coolers are very useful in dry and hot climate. Pour a lot of water and run the fan, and get the cool moist breeze. It is a simple device and it is good for what it provides – fresh cool air. For a long time I have been thinking how to compare the evaporativeContinue reading “Evaporative Cooler and Tonnage”
An environmental lesson from the Soviet Union
Ships of the desert grazing near deserted ships in Aral Sea desert Baikonur Cosmodrome, Kazakhstan – First ever window to space. Beginning of the space age was one of the greatest achievements of mankind since the dawn of civilization. Many space scientists, explorers and researchers had gone through the arid steppes of this small CentralContinue reading “An environmental lesson from the Soviet Union”
Light Pollution: Can it be reduced
Astronomy is a wonderful field. From History it could be easily seen that Astronomy is the cradle of both Physics and Mathematics. Most of the early phisicists and mathematicians were astronomers too. All astronomical observations from prehistorical times to 1609 were exclusively using naked eye. Those early astronomers had no access to telescopes or camerasContinue reading “Light Pollution: Can it be reduced”
World Energy Consumption: A Cold war comparison
World Energy Consumption: 2250 Tsar Bombs or 18800 WW2 I like history. Recently I was reading about the 50th anniversary of Tsar Bomba, tested on 1961 October 30 by Soviet Union. Tsar Bomba is the single most powerful thermonuclear weapon ever used. It has a power of 50 to 57 megatons of TNT (210 PJ)Continue reading “World Energy Consumption: A Cold war comparison”
Mahatma Gandhi: A champion of sustainability through localization
Why we require localized food and energy production Yet another Gandhi Jayanti has come. In the wake of sustainability and issues like global warming, teachings of Mahatma Gandhi is becoming more and more important. Some of the Inspirational words of Mahatma Gandhi on Grama Swaraj (Village Self Governance), Sustainability etc. “The true India is toContinue reading “Mahatma Gandhi: A champion of sustainability through localization”
Saurorja 