The Problem of Increasing Human Energy: With Special References to the Harnessing of the Sun's Energy is a work written by inventor and physicist, Nikola Tesla. This work was developed largely based on his acquired knowledge as both a mechanical and electrical engineer, and focuses on his ideas for the survival of the human race. Today with the fears of global warming, this Tesla work has been used as a starting point for understanding the problems that the human race could be facing. The Problem of Increasing Human Energy is highly recommended for individuals who are interested in scientific ideas toward the longevity of the human race and those interested in key writings of Nikola Tesla.