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Air pollution can occur naturally or be caused by human activities. [3] Air pollution causes around 7 million deaths each year. [4] [5] 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.
Soon after the EPA's founding, the agency dispatched 100 photographers to capture America's environmental problems in a photo project called Documerica.
English: Reasons and effects of air pollution' Carbondioxide from exhausts and energy production; ... This image is a derivative work of the following images:
The 1966 New York City smog was a major air-pollution episode and environmental disaster, coinciding with that year's Thanksgiving holiday weekend. Smog covered the city and its surrounding area from November 23 to 26, filling the city's air with damaging levels of several toxic pollutants.
Small particles are some of the most health-damaging air pollution, linked to a range of chronic and deadly health issues, according to the U.S. Environmental Protection Agency. Across Southern California, people are taking precautions as the air quality index — a measure that includes fine particles — reached hazardous levels for some ...
"Air pollution was traditionally thought of as a type of exposure that impacts the lung," Bastain said. "But over the last couple of decades, I think there's been realization and acknowledgment ...
The Indian Ocean brown cloud or Asian brown cloud is a layer of air pollution that recurrently covers parts of South Asia, namely the northern Indian Ocean, India, and Pakistan. [ 1 ] [ 2 ] Viewed from satellite photos , the cloud appears as a giant brown stain hanging in the air over much of the Indian subcontinent and the Indian Ocean every ...
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.