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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 can occur naturally or be caused by human activities. [4] Air pollution causes around 7 or 8 million deaths each year. [5] [6] It is a significant risk factor for a number of pollution-related diseases, including heart disease, stroke, chronic obstructive pulmonary disease (COPD), asthma and lung cancer.
Diseases caused by pollution, lead to the chronic illness and deaths of about 8.4 million people each year. However, pollution receives a fraction of the interest from the global community. [1] This is in part because pollution causes so many diseases that it is often difficult to draw a straight line between cause and effect.
Air pollution already kills millions of people and more data centers could add to the burden, ... Air pollution caused by AI tech could lead to 1,300 U.S. deaths annually by 2030, researchers say.
Lead exposure can occur from contact with lead in air, household dust, soil, water, and commercial products. [25] Leaded gasoline has also been linked to increases in lead pollution. [99] [100] Some research has suggested a link between leaded gasoline and crime rates. [101] [102] Man-made lead pollution has been elevated in the air for the ...
“Air pollution standards must protect endangered plants and wildlife, but the agency failed to follow the law, or the science, to fully address this toxic air pollution’s harms to the environment.
Looking down from the Hollywood Hills, with Griffith Observatory on the hill in the foreground, air pollution is visible in downtown Los Angeles on a late afternoon.. Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that cause harm or discomfort to humans or other living organisms, or damage ecosystems.
This form of pollution can lead to many problems. One is the degradation of aquatic ecosystems. Another is spreading water-borne diseases when people use polluted water for drinking or irrigation. [155] Water pollution also reduces the ecosystem services such as drinking water provided by the water resource.