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Download QR code; In other projects ... Reasons and effects of air pollution' ... This image is a derivative work of the following images:
But before the EPA formed in 1970, pollution in New York City was even worse. Soon after the EPA's founding, the agency d ispatched 100 photographers to capture America's environmental problems in ...
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.
Hydrogen fluoride and sulfur dioxide emissions from U.S. Steel's Donora Zinc Works and its American Steel & Wire plant were frequent occurrences in Donora. What made the 1948 event more severe was a temperature inversion, a situation in which warmer air aloft traps pollution in a layer of colder air near the surface.
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.
Air pollution in Tehran The left image shows Tehran in a day-off during Norouz vacations while the right is Tehran in a busy working day. Tehran , the Iranian capital, suffers from air pollution and severe massive traffic congestion [ 1 ] [ 2 ] in rush hours.
Smog towers or smog free towers (see below for other names) are structures designed as large-scale air purifiers to reduce air pollution particles . This approach to the problem of urban air pollution involves air filtration and removal of suspended mechanical particulates such as soot and requires energy or power.
The smoke haze episode has added to the urban and industrial air pollution in Southeast Asia, causing it to reach alarming levels in many metropolitan areas. By scattering and absorbing light, the fire-related particulate also resulted in reduced visibility ; impairing transportation by air, land and water and seriously affecting the economies ...