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English: Reasons and effects of air pollution'. Carbondioxide from exhausts and energy production; Methane from cattle breeding; Sulfur oxides from exhausts and industry; CFCs from refrigerants and propellants
The air pollution generated in November 2024 in India and Pakistan was regarded by climate researchers as an unprecedented intensification of the region's annual pollution cycle. [2] NASA satellite imaging showed a continuous cloud of smog that extended across the majority of eastern and northern Pakistan, as well as northwestern India. [3] [4]
Soon after the EPA's founding, the agency dispatched 100 photographers to capture America's environmental problems in a photo project called Documerica.
Smog, or smoke fog, is a type of intense air pollution.The word "smog" was coined in the early 20th century, and is a portmanteau of the words smoke and fog [1] to refer to smoky fog due to its opacity, and odor. [2]
Air pollution can cause diseases, allergies, and even death; it can also cause harm to animals and crops and damage the natural environment (for example, climate change, ozone depletion or habitat degradation) or built environment (for example, acid rain). [2] Air pollution can occur naturally or be caused by human activities. [3]
In addition to the severe health issues caused by haze from air pollution, dust storm particles, and bush fire smoke, reduction in irradiance is the most dominant impact of these sources of haze and a growing issue for photovoltaic production as the solar industry grows. [6]
Piccadilly Circus during the Great Smog of London, 1952. Pea soup fog (also known as a pea souper, black fog or killer fog) is a very thick and often yellowish, greenish or blackish fog caused by air pollution that contains soot particulates and the poisonous gas sulphur dioxide.
The Great Smog of London, or Great Smog of 1952, was a severe air pollution event that affected London, England, in December 1952.A period of unusually cold weather, combined with an anticyclone and windless conditions, collected airborne pollutants—mostly arising from the use of coal—to form a thick layer of smog over the city.