Radiant energy is reflected from the earth and back into space by

Radiant energy is reflected from the earth and back into space by clouds
and atmospheric particles.
The amount of solar radiation or radiant energy that never reaches Earth's surface and reflected back is about 30%.The majority of the sun oriented radiations or radiant energy that reaches Earth's surface is comprised of visible and infrared light and just a little amount of ultraviolet radiation achieves the surface.

Examples: mental health problems cardiovascular disease obesity and other eating disordersmenstrual problems skin and hair problems