"Climate change isn't just making malaria worse or better, it's moving it. Whether a place sees elevated malaria risks or reduced burdens under climate change depends on how hot it is today. Chart: Projected change in malaria prevalence (cases per 1,000 children) for Ghana and four neighboring countries, historical vs. 2050 vs. 2100. Researchers are explicit that bed nets, treatment access, vaccines, and vector control programs have historically reduced malaria far more than climate change alone. "Air conditioning is a life saver, and climate change will no doubt lead to more AC adoption in today's wealthy countries.