Energy from the sun is our Solar Capital. Energy we take from the earth (Oil, coal, wind, water etc...) we call the Earth Capital. If we wish to sustain the earth capital, we could try and use more of the solar Capital. The crisis of unsustainability refers to the problems caused by depletion of earth capital. [...]
Eco comes from the Greek word oikos meaning "house, dwelling place, habitation". The German zoologist Ernst Haeckel coined the word Okologie. Logia refers to "study of". In 1873, Haeckel used this word to refer to branch of science dealing with the relationship of living things to their environments. (Source: Online Etymology Dictionary) Harsha replaced "logy" referring to study with "Soch". "Soch" [...]
The silicon cells manufactured from one ton of sand can produce as much electricity as burning 500,000 tons of coal. Silicon is the second most abundant element on earth. It is sensitive to light. When it is treated with certain impurities, it generates substantial voltage. Photovoltaic modules are arrays of solar cells that generate voltage [...]
