What is a significant environmental concern regarding pesticide use?

Runoff contamination and effects on non-target species present a significant environmental concern regarding pesticide use. When pesticides are applied to agricultural fields or landscapes, they can be washed away by rainwater or irrigation, leading to runoff that carries these chemicals into nearby water bodies. This contamination can have detrimental effects on aquatic ecosystems, harming fish, amphibians, and other wildlife that rely on these habitats. Furthermore, pesticides can also affect non-target organisms in terrestrial ecosystems, including beneficial insects like pollinators, birds, and other wildlife that may come into contact with treated plants or habitats.

Increased crop yields, enhanced soil quality, and decreased insect populations may be perceived benefits or indirect impacts of pesticide use, but they do not address the broader environmental implications of applying these chemicals. Understanding the risks associated with pesticide runoff and its potential to disrupt ecological balance is crucial for responsible pest management practices.