Complex sentence: The widespread use of toxic pesticides, their release into the environment, and the potential for adverse public health effects due to exposure continues to raise public concern, and some feel that regulatory authorities have an ethical obligation to track the health effects of such chemicals.
Split into simpler sentences: The widespread use of toxic pesticides, their release into the environment, and the potential for adverse public health effects due to exposure continues to raise public concern. Some feel that regulatory authorities have an ethical obligation to track the health effects of such chemicals.