Global warming threat to health

More than 60 leading physicians and medical scientists call for an urgent response to climate change

Sir, On Monday the Intergovernmental Panel on Climate Change (IPCC) publishes its latest report on the current and projected impact of global warming and climate change. The report will add substantially to the existing evidence that climate change represents, as The Lancet put it, “the greatest threat to human health in the 21st century”.

Leaked drafts of the report describe how human health and social stability will suffer. Altered patterns of disease, extreme weather events, food and water scarcity, human migration and violent conflict will affect hundreds of millions of people within our lifetimes and those of our children. These impacts are already affecting populations worldwide.

The IPCC is not alone in its conclusions. The American Association for the Advancement of Science confirms that “the