
Even during the COVID-19 pandemic, a global health emergency that has killed millions, the WHO called climate change the single biggest health threat facing humanity.
“The climate crisis creates many public health problems related to food, water, sanitation and infectious diseases,” OSN Cataract Surgery Board Member David F. Chang, MD, said. “These problems disproportionately fall on the poorest parts of the globe and the poorest societies.”
Climate change is not a new threat, but the potential negative health concerns that accompany it have many in the health community,