Climate change is rapidly and profoundly altering the environment. The health impacts of climate change are numerous and varied.

Ultraviolet radiation, which is everywhere, is emitted naturally by the sun or by artificial sources. It is responsible for various health conditions, including certain types of skin cancer.

Cold weather increases the risk of cardiovascular and respiratory conditions and can lead to hospitalizations and death. This impact is observed within 3 to 21 days of exposure to the cold.