Linked from
The 10 pages that link to Solar radiation, each with the reason it gives.
MicroclimateRelated: Aspect and shade determine how much sunlight reaches a local surface.
WeatherRelated: Uneven solar heating supplies much of the energy behind weather patterns.
SunlightNarrower topic: Sunlight is the portion of solar radiation that reaches Earth.
HarmattanRelated: Suspended dust scatters and absorbs sunlight, altering surface light and heating.