The mental health professional that would be most interested in how noise pollution affects the stress levels of children is: Environmental psychologist.
Environmental psychologist is a mental health professional who carryout research on how our surrounding or environment can have either positive or negative impact on our overall wellbeing.
Noise pollution can have a negative impact on children as it can elevate their stress level and can as well lead to some health challenges such as hearing loss due to loud noise.
Based on this environmental psychologist can help to investigate or conduct research on the following:
Inconclusion the mental health professional that would be most interested in how noise pollution affects the stress levels of children is: Environmental psychologist.
Learn more about environmental psychologist: here:https://brainly.com/question/13312018