Sunlight is an energy source that is available to varying degrees every single day. Sunlight has been used in various ways since the beginning of human history. Today, advanced technologies are used to deliver the power generated from sunlight through small-scale solar power collection sites, as well as through power generating plants that serve large populations. Solar power technology is still developing and has also met with strong resistance by the government and large oil companies. Despite these obstacles this technology holds great potential for generating nonpolluting energy for the world.

Passive Heating

Humans have attempted to use solar power for their own benefit throughout history. Native Americans of the Southwest chose to build their homes into the south facing sides of cliffs to capture the sun's warmth. They observed that the sun was in the southern sky during the coldest months of the year and...