Opportunities for structurally weak regions, seen here in Morocco where solar arrays supply electricity for water pumps.
The Sun Supplies Free Energy

The sun is a giant fusion reactor with a diameter more than 100 times that of the Earth. For more than four billion years it has been supplying the Earth with free energy from a distance of around 150 million kilometers. At the center of the sun, a fusion process takes place at very high temperatures in which four hydrogen nuclei unite and form one helium nucleus. Each second some 600 tonnes of hydrogen are burned to form helium and thereby release a portion of their mass as radiation. In this way the sun loses almost one percent of its mass over a period of 1.24 billion years. Although only a two billionth part of the total solar energy emitted reaches the Earth, this tiny proportion has been enough to provide life on Earth with energy and to sustain life cycles. Experts calculate that the solar energy that falls on the surface of the Earth is around 2700 times greater than the world-wide primary energy requirement. Taking into consideration the enormous amount of solar radiation available in comparison to the primary energy requirement, it would be technically possible to obtain all the world’s energy from the sun. [Source: www.solarenergie.de]

World Energy Consumption by 2060

Source Shell AG
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