As Wisconsin navigates repeated heat waves this summer, public health leaders in the state are worried about how more frequent and severe heat waves affect vulnerable populations. Her organization represents doctors, public health workers and other medical professionals who are concerned about the detrimential health impacts of climate change. “When people think about heat, they often think about heat illness or heat stroke as one of the things to look out for,” she said. Olsen said public health departments are already thinking about how to respond to a hotter future. Health Climate Wisconsin advocates for policy changes to support clean energy and reduce emissions to stop climate change from worsening.