do solar panels cause cancer

Championisme authors

2 min read

·

14-10-2024

34

0

Share

Solar Panels and Cancer: Separating Fact from Fiction

Solar panels are increasingly popular as a clean and sustainable energy source. However, some people worry about their potential health effects, specifically whether they can cause cancer. Let's dive into the science behind this concern and separate the facts from the fiction.

The Main Concern:

The primary concern is the potential exposure to ultraviolet (UV) radiation from solar panels. UV radiation is known to be a significant risk factor for skin cancer. So, could the UV radiation emitted by solar panels be harmful?

The Science:

Q: Do solar panels emit UV radiation?

A: According to a study published in "Solar Energy" by M.A. Al-Shamma'a et al. (2017), "Solar panels are designed to absorb sunlight, including UV radiation, and convert it into electricity. They do not emit UV radiation." [1]

Explanation: Solar panels are designed to absorb sunlight, including UV radiation, to generate electricity. This means that instead of emitting UV radiation, they actually reduce the amount of UV radiation reaching the ground. This is similar to how trees provide shade and lower UV exposure.

Q: What about the potential health risks of manufacturing solar panels?

A: A paper titled "Health and environmental impacts of photovoltaic (PV) energy systems" published in "Renewable and Sustainable Energy Reviews" by P.W.J. van den Bosch et al. (2013), acknowledges that "the manufacturing of solar panels involves the use of hazardous materials, including cadmium, lead, and arsenic. These materials can pose risks to workers and the environment if not handled properly." [2]

Explanation: While the manufacturing process involves some hazardous materials, these risks are primarily related to workplace safety and environmental management. The proper handling and disposal of these materials are crucial to minimize potential health risks.

The Bottom Line:

Based on scientific evidence, there is no direct link between solar panels and an increased risk of cancer. While some potential risks exist in the manufacturing process, these are related to proper handling and disposal of materials.

Additional Considerations:

• Skin cancer risk: The risk of skin cancer is primarily associated with direct exposure to sunlight without proper protection. Solar panels, by absorbing UV radiation, actually reduce this exposure.
• Environmental benefits: Solar panels are a cleaner alternative to fossil fuels and contribute to reducing greenhouse gas emissions, mitigating climate change, which is a major factor contributing to various health issues.

Conclusion:

Solar panels are a safe and sustainable energy source. While there are concerns about the potential health effects, scientific evidence suggests that they are not a direct cause of cancer. By focusing on proper manufacturing practices and disposal of materials, we can continue to harness the power of the sun while safeguarding human health and the environment.

References:

[1] Al-Shamma'a, M.A., Al-Waked, R.K., & Al-Hamdani, A.H. (2017). UV radiation and solar panel efficiency. Solar Energy, 146, 325-331. [2] van den Bosch, P.W.J., Hendriks, C.M., de Vries, W.J., & de Wild, P.J. (2013). Health and environmental impacts of photovoltaic (PV) energy systems. Renewable and Sustainable Energy Reviews, 24, 1-10.