Doc Talk: Sun & Sun-related Skin Conditions - Discusses tanning and sun-related skin conditions, including sun poisoning, a nonscientific term that refers to a variety of sun-allergic responses.
KidsHealth: Sun Safety - Facts about sun exposure, how to protect kids, and what to do if you get a sunburn.
MedlinePlus: Sunscreens - Offers tips on using sunscreen lotions to help prevent sunburn and reduce the harmful effects of the sun such as premature skin ageing and skin cancer.
Seriously Shady - Offers several links about sun protection and the UV Index.
SUN-FX 365 - Interactive guide that educates the user with knowledge about the skin, the sun, and the interactions between the two. From Galderma Laboratories.
SunProtection.net - Provides information about sun protection including safety tips and how to prevent skin damage from UV radiation.
Sunprotection.org - Informative site about UV rays and sun-damage prevention. Quick test lets you determine the right sunscreen SPF for you and your family.