Climate Change Multiplies the Threats of Infectious Diseases

As the novel coronavirus continues to rage like a wildfire across the planet, its devastating toll has left many asking whether climate change — another multifaceted phenomenon with global reach — has played a part in spreading, even triggering, the pandemic. Some, like Katharine Hayhoe, a climate change scientist and professor of public policy at Texas Tech University, have been able to provide answers.

“Climate change didn’t cause the pandemic, and climate change directly causes very few of them,” Hayhoe told Truthout. “But what climate change does is it interacts with, and in many cases has the potential to exacerbate the impacts.”

For those well-versed in the mechanics of climate change, this comes as no surprise — scientists, policy makers and other experts have long acknowledged the links between global warming and the spread of infectious diseases, promulgating the sorts of findings described in the wide-ranging 2018 Intergovernmental Panel on Climate Change report, detailing what efforts are needed to limit global warming to 1.5 degrees Celsius.

Dig down, and this multilayered issue has knock-on effects — from the way rising temperatures exacerbate certain health problems to the disruptions that extreme weather events have on the global supply chain — that are inextricably linked with one another. What’s more, the governmental response to the coronavirus crisis, say experts, offers a troubling glimpse into what might happen in the future as the global thermometer inches upwards.