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Pollution is the introduction of contaminants into the natural environment that cause harm. [1] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
Air pollution hotspots are areas where air pollution emissions expose individuals to increased negative health effects. [241] They are particularly common in highly populated, urban areas, where there may be a combination of stationary sources (e.g. industrial facilities) and mobile sources (e.g. cars and trucks) of pollution.
In 2022, the most comprehensive study of pharmaceutical pollution of the world's rivers found that it threatens "environmental and/or human health in more than a quarter of the studied locations". It investigated 1,052 sampling sites along 258 rivers in 104 countries, representing the river pollution of 470 million people.
The number of people living with levels of air pollution that can significantly affect their health climbed from about 119 million in last year’s data to 131 million in the current data, ...
People who have heart or lung diseases like asthma or COPD, the elderly, children and pregnant people should all avoid ash cleanup work because particle pollution is particularly hard on their ...
A new study by a leading medical journal finds that deaths from pollution have increased to 9 million people each year — roughly one of six annual deaths worldwide. Air pollution, contaminated ...
Short-term health effects of air pollution include but is not limited to bronchitis or pneumonia, frequent headaches, dizziness, and nausea. Some long-term health effects are lung cancer and respiratory diseases, heart disease, and organ damage, and irreversible nerve damage. [76] People of lower socioeconomic status are found to be more ...
People of all ages who live in high pollution areas for extended periods place themselves at increased risk of various neurological disorders. Both air pollution and heavy metal pollution have been implicated as having negative effects on central nervous system (CNS) functionality.