Cultural aspects

Cultural aspects

Many people find direct sunlight to be too bright for comfort, especially when reading from white paper upon which the sun is directly shining. Indeed, looking directly at the sun can cause long-term vision damage. To compensate for the brightness of sunlight, many people wear , many  and are equipped with o block the sun from direct vision when the sun is at a low angle.

In colder countries, many people prefer sunnier days and often avoid the . In hotter countries the converse is true; during the midday hours many people prefer to stay inside to remain cool. If they do go outside, they seek shade which may be provided by trees, and so on.

Sunshine is often blocked from entering buildings through the use of or

The more recent discoveries ofand  are modern extensions of this trend. These are the remnants of ancient plant and animal matter, formed using energy from sunlight and then trapped within the earth for millions of years. Because the stored energy in theseas accumulated over many millions of years, they have allowed modern humans to massively increase the production and consumption of  As the amount of fossil fuel is large but finite, this cannot continue indefinitely, and various theories exist as to what will follow this stage of human civilization  .