Solar Energy Pros and Cons: The Advantages and Disadvantages of Solar Energy Technology
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3,850 zettajoules, a figure with 22 zeroes in it–that’s how much solar radiation our planet receives from our sun in a year.
To get a sense of how much potential energy that number represents, consider that in just one hour, the shining of the sun unleashes enough power to supply the sum of humanity’s global energy needs for an entire year. And with our current level of solar technology, we would only need about 0.