Environmental Extremes | HPRC

U.S. Marine Corps photo by Cpl. Alejandro Pena/Released

Resources for operating in hot environmentsArticle

(U.S. Army photo by Visual Information Specialist Jason Johnston/Released)

Resources for operating at altitudeArticle

U.S. Marine Corps photo by Master Sgt. Michael Q. Retana/Released

Resources for operating in cold environmentsArticle

Man wiping sweat from his forehead

Unpacking “heat illness”Article

Hat, beach bag, sunglasses, sunscreen bottle, and sandals sitting on sandy beach

Get your sun fix safelyArticle

Caution: Hearing Protection Required

Hearing Protection 101Infographic

Soldier looking down into valley. U.S. Army photo by Sgt. 1st Class Abram Pinnington/Released

Effects of Altitude on Your BodyInfographic

Person in winter coat pouring water from insulated bottle into cup with snowy landscape in background

Stay hydrated in the winter monthsArticle

Marines run along hills. U.S. Marine Corps photo by Cpl. Will Perkins/Released

Acclimatize for a high-altitude deploymentArticle

Sun and thermometer

Wet-bulb-globe-temperature devices measure heat stressArticle

One soldier assisting another down a dusty sunny path

Heat illness: Prevention, treatment, and recoveryArticle

Tick on a thumb

Reduce your risk of tick bites and Lyme DiseaseArticle

Man wearing a Pro Mask

Pro Mask and aerobic exerciseArticle

Group of people running in snowy wooded area

Winter-workout tipsArticle

Soldier looking out over mountain valley (U.S. Army photo by Sgt. 1st Class Abram Pinnington/Released)

Prevent altitude sicknessArticle