What is a significant environmental risk associated with some pesticide formulations?

The correct choice highlights a major concern with certain pesticide formulations: their potential to harm non-target species. This includes beneficial insects, birds, aquatic life, and other organisms that are not the intended targets of the pesticide application. Many pesticides, particularly those that are systemic or broad-spectrum, can unintentionally affect a wide range of organisms in the environment, disrupting ecosystems and biodiversity.

Understanding this risk is critical for pesticide applicators, as it emphasizes the importance of selecting the right product and application method to minimize collateral damage. Responsible usage, including adhering to label instructions, applying at appropriate times, and using targeted application techniques, can help mitigate these risks. This awareness not only protects wildlife and the environment but also helps maintain the balance necessary for sustainable agricultural and landscaping practices.