The Kardashev Scale: How Far Can Our Civilization Go?

The Kardashev Scale, ranks the technological capabilities of a civilization, according to the energy it is able to manipulate and exploit. The scale was invented in 1964 by the Russian astronomer Nikolai Semenovich Kardashev who was looking for signs of extraterrestrial life within cosmic signals and proposed a scale for ranking these hypothetical civilizations based on their energy consumption. So the Kardashev scale was developed as a way of measuring a civilization’s technological advancement based upon how much usable energy it has at its disposal.
The scale has three types that follow the scale of astrophysical structures in our local universe.

The basic calibration is based on 3 energy positions on the scale corresponding to the ability to fully manage the energy resources of a inhabited planet (Type I), the star of the respective solar system (Type II) and its galaxy (Type III). Other astronomers have expanded the scale to Type IV and Type V.
Samples of civilizations that could correspond to the Kardashev scale are both terrestrial and other supposedly extraterrestrial civilizations.
Due to the fact that the American astronomer and astrophysicist Carl Sagan wanted to classify our current civilization, he noticed that we are not Type-I yet and he expanded and calibrated the scale before type I. The reason why human race is not even on type-I yet is because we continue to maintain our energy needs from dea* plants and animals, here on Earth. We are just a humble culture type 0 and we still have VERY long distance to go before promoted to a type I civilization).
According to Carl Sagan, in 1900 during the Industrial Revolution period, our terrestrial civilization was at 0.58 while in 2012 it was at 0.72 on the scale. Freeman Dyson estimated that we will probably reach type 1 in 100-200 years, type 2 in the year 11,200 and type 3 in 100,000 to 1,000,000 years.

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