Which is a potential environmental effect of refrigerant leaks?

The correct answer indicates that refrigerant leaks can contribute to multiple environmental issues.

When refrigerants leak into the atmosphere, they can cause air pollution, as some of these gases may have harmful effects on air quality and human health. Depending on the type of refrigerant, certain compounds can react with other airborne substances, leading to the formation of smog or other pollutants.

Moreover, some refrigerants are known to be potent greenhouse gases, meaning they have a significant potential for contributing to global warming. For example, hydrofluorocarbons (HFCs), which are commonly used in cooling systems, can trap heat in the atmosphere far more effectively than carbon dioxide, even in smaller quantities.

In addition to air quality issues, refrigerants leaking into water sources can lead to water contamination. Some refrigerants can harm aquatic ecosystems or even affect the quality of drinking water supplies if they enter into groundwater.

Therefore, recognizing that refrigerant leaks have the potential to cause air pollution, water contamination, and greenhouse gas emissions illustrates the comprehensive environmental impact that these leaks can have, confirming that all these factors are valid concerns.