The skin is a large, complex organ, and it serves as the body’s primary interface with the environment, playing key roles in sensory, thermoregulatory, barrier, and immunological functioning. As floods, wildfires, and extreme heat events increase in frequency and severity, they pose a significant threat to global dermatological health, as many skin diseases are climate sensitive.The skin is a large, complex organ, and it serves as the body’s primary interface with the environment, playing key roles in sensory, thermoregulatory, barrier, and immunological functioning. As floods, wildfires, and extreme heat events increase in frequency and severity, they pose a significant threat to global dermatological health, as many skin diseases are climate sensitive.