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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. [1] [2]
Health authorities emphasized the risk of heat stress and heat-related illnesses. [1] Several schools in Victoria were cancelled or relocated on 16 December due to extreme heat or wildfire risk. The Victorian Environment Protection Authority issued alerts to 38 different industrial businesses warning them to lower their dust production. [3]
Though individuals who already had mental ill health, especially psychosis, can need intensive care, which can be challenging to deliver if local mental health services were disrupted by the extreme weather. [1] [14] [19] Physical health can be severely impacted by climate change (see also effects of climate change on human health). The ...
The main danger with a heat wave is probably obvious: too much time spent in the heat can quickly lead to illnesses such as heat exhaustion or heat stroke, which could prove fatal.
Hotter, longer heatwaves Even a small increase in average temperatures makes a big difference to heat extremes. As the range of daily temperatures shifts to warmer levels, hotter days become more ...
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 aggravated by climatic hazards". [14] [15] The World Health Organization considers climate change as one of the greatest threats to human ...
Heat syncope, also referred to as exercise-associated collapse, is a moderate form of heat-related illness characterized by a temporary loss of consciousness. Unlike heat exhaustion, heat cramps and heat syncope do not have systemic effects. Heat exhaustion is a precursor to heat stroke, a severe form of heat-related illness.
This page documents notable droughts and heat waves worldwide in 2020.. Throughout the year, various countries' hottest ever recorded temperature records were broken. The highest temperature during the year was on August 16, when a weather station in Death Valley in the U.S. state of California recorded an air temperature of 129.6 °F (54.2 °C), the hottest temperature recorded globally in ...