The main environmental factor contributing to skin cancer is excessive exposure to ultraviolet (UV) radiation from the sun or tanning beds. Other factors include ozone layer depletion, which increases UV exposure, and exposure to harmful chemicals such as arsenic or coal tar. Living in sunny or high-altitude regions can also raise the risk of developing skin cancer over time.  

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Hi, according to me, there are several environmental factors that contribute to skin cancer, and understanding them can help you take better preventive steps. The biggest risk comes from excessive ultraviolet (UV) radiation due to long hours in direct sunlight, especially during peak daylight. Artificial UV rays from tanning beds also increase damage. People living at high altitudes or closer to the equator face stronger sunlight, raising their risk further. Air pollution weakens the skin’s natural barrier, while ozone layer depletion allows more harmful radiation to reach the skin. Long-term exposure to chemicals such as arsenic, industrial pollutants, and certain toxins can also trigger skin changes. If you notice unusual moles or persistent skin changes, visiting a cancer specialist or consulting a trusted cancer hospital can help with early detection and timely care.