Jonathan Patz studies the ways that climate change and related policies directly and indirectly affect human health. While his research on climate change initially addressed detrimental impacts on human health, he and his group now focus on the potential near-term health benefits that will arise from climate change mitigation policies. Through his work, he hopes to influence decision-making by highlighting such health opportunities, e.g. improved air quality or enhanced safe alternative transportation, as options for climate action are considered.