A day before the latest United Nations Climate Change Conference (COP27) began, a group of global experts convened by The Lancet published a report about the adverse health effects of climate change. Their conclusion was as jarring as it was straightforward: human health is at the mercy of fossil fuels.
Unfortunately, health remained at the bottom of the priority list at COP27. To be sure, some important health-focused conversations took place at the World Health Organization's side pavilion. These talks were particularly timely, given the Covid-19 pandemic. But, beyond a blink-and-you-miss-it mention in the preamble, the COP27 declaration makes no substantive mention of the climate-health nexus.
It is a glaring omission. The connection between climate and health is deep and multifaceted. Consider how warming temperatures and unprecedented flooding have encouraged the spread of mosquitoes well beyond their traditional breeding grounds. If nothing is done, Zika will threaten an additional 1.3 billion people by 2050 and dengue fever will affect a whopping 60% of the world's population by 2080.