The GuardianThe Guardian

Climate impacts have worsened vast range of human diseases

By Oliver Milman

08 Aug 2022 · 3 min read

Editor's Note

You should read this article to discover just how climate change is spurring on a range of diseases, as people are forced closer together due to extreme weather events.

More than half of the human diseases caused by pathogens have been worsened at some point by the sort of impacts associated with the climate crisis, a new and exhaustive study of the link between disease and climatic hazards has found.

Diseases such as Zika, malaria, dengue, chikungunya and even Covid-19 have been aggravated by climate impacts such as heatwaves, wildfires, extreme rainfall and floods, the paper found. In all, there are more than 1,000 different pathways for these various impacts to worsen the spread of disease, a cavalcade of threats “too numerous for comprehensive societal adaptations”, the researchers wrote.

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