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The effects of climate change on human health are profound because they increase heat-related illnesses and deaths, respiratory diseases, and the spread of infectious diseases. There is widespread agreement among researchers, health professionals and organizations that climate change is the biggest global health threat of the 21st century.
The effects of climate change are impacting humans everywhere in the world. [233] Impacts can be observed on all continents and ocean regions, [234] with low-latitude, less developed areas facing the greatest risk. [235] Continued warming has potentially "severe, pervasive and irreversible impacts" for people and ecosystems. [236]
The effects of climate change on human health are profound because they increase heat-related illnesses and deaths, respiratory diseases, and the spread of infectious diseases. There is widespread agreement among researchers, health professionals and organizations that climate change is the biggest global health threat of the 21st century. [163 ...
Existing health inequalities are likely to impact individuals' and communities’ vulnerability to the impacts of climate change. Health inequalities overlap with other inequalities such as spatial and socio-economic disparities. For example, the most deprived communities often have less access to green spaces in their neighbourhoods.
The health benefits from climate change mitigation are significant. Potential measures can not only mitigate future health impacts from climate change but also improve health directly. [266] [267] Climate change mitigation is interconnected with various health co-benefits, such as those from reduced air pollution. [267]
World leaders are meeting in Paris this month in what amounts to a last-ditch effort to avert the worst ravages of climate change. Climatologists now say that the best case scenario — assuming immediate and dramatic emissions curbs — is that planetary surface temperatures will increase by at least 2 degrees Celsius in the coming decades.
The scientific understanding of potential health risks and observed health impacts caused by climate change is now better understood. One category of health risks is that of infectious diseases . A study concluded in 2022 that "58% (that is, 218 out of 375) of infectious diseases confronted by humanity worldwide have been at some point ...
The 2023 IPCC report highlighted the disproportionate effects of climate change on vulnerable populations. The report's findings make it clear that every increment of global warming exacerbates challenges such as extreme heatwaves, heavy rainfall, and other weather extremes, which in turn amplify risks for human health and ecosystems.