UV radiation is responsible for more than 95% of all skin cancers. The sun emits UV radiation but it isn't connected to sunshine or heat like many think.
The effect of UV-radiation on the skin - Gaia Naturelle
The Sun, UV Light and Your Eyes - American Academy of Ophthalmology
The ABC's of Ultraviolet Radiation - Medical Center of Marin - Urgent Care Clinic, Uv
Ultraviolet Radiation, Definition, Uses & Examples - Lesson
Ultraviolet Light or UV Radiation
How The Sun Damages Skin
Frontiers Ultraviolet Radiation and Melanomagenesis: From Mechanism to Immunotherapy
What is UV? Visible light, Eye care, Electromagnetic radiation
The UV Index (and Why You Should Care About It)