US Environmental Protection Agency
Epa: Health Effects of Overexposure of the Sun [Pdf]
This fact sheet provides a quick overview of the major health problems linked to overexposure to UV radiation: skin cancer (melanoma and nonmelanoma), premature aging of the skin and other skin problems, cataracts and other eye damage,...
Environmental Education for Kids
Eek!: Outdoor Safety: Warning! The Rays of the Sun Can Be Harmful!
Learn about the harmful effects on humans of ultraviolet radiation caused by the depletion of the ozone layer.