One of climate change’s biggest dangers is one the world still isn’t talking aboutChanges in climate and weather patterns worldwide are converging with social trends, shifting populations, land use change, and increasingly impaired water infrastructure to dramatically make life worse for those across the globe. We now have evidence that climate is a major factor increasing risks for food and waterborne diseases. While the linkages are complex, both temperature and precipitation are directly and indirectly associated with illnesses. It is critical to improve infrastructures and apply appropriate interventions to prevent climate-related risks to public health in water and food.
Climate change affects both water quality and food safety, which will both have important impacts on public health in the absence of appropriate interventions.
The National Institute of Environmental Health Sciences notes that the potential effects of climate change on food-related illness may be indirect and moderate or unlikely in the US. On a global scale, however, the concern may be greater, arising from:
1. The direct correlation between water temperatures and certain microorganisms that cause human gastroenteritis.
2. Direct and indirect links between food contamination, certain foodborne disease outbreaks, and earth surface temperatures.
3. Possible changes in food production patterns due to climate—temperature, precipitation, humidity, and flooding are all factors in pathogen contamination.
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