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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.
[43] [failed verification] UVC is the highest-energy, most-dangerous type of ultraviolet radiation, and causes adverse effects that can variously be mutagenic or carcinogenic. [44] Despite the importance of the sun to vitamin D synthesis, it is prudent to limit the exposure of skin to UV radiation from sunlight [45] and from tanning beds. [46]
The burning of fossil fuels is a major source of fine particulate matter (PM2.5), which has negative effects on cardiovascular and lung health. Therefore, transitioning away from fossil fuel burning for transport, heating, and electricity production can have health benefits.
Negative impacts of the global climate crisis can be mitigated, scientific analysis shows — and regions that embrace climate action reap the economic benefits of good-paying jobs, increased tax ...
Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...
Studies have been performed on the use of shortwave radiation for cancer therapy and promoting wound healing, with some success. However, at a sufficiently high energy level, shortwave energy can be harmful to human health, potentially causing damage to biological tissues, for example by overheating or inducing electrical currents. [28]
In fact, it was 1970s research into the Denver brown cloud which had first found that black carbon particles absorb solar energy and so can affect the amount of visible sunlight. [42] Later research found that black carbon is 190 times more effective at absorbing sunlight within clouds than the regular dust from soil particles. [ 44 ]
Human activities (e.g., deforestation, farming, and urbanization) change the albedo of various areas around the globe. [23] Human impacts to "the physical properties of the land surface can perturb the climate by altering the Earth’s radiative energy balance" even on a small scale or when undetected by satellites. [24]