File:NASA - Human Fingerprint on Global Air Quality.webm
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DescriptionNASA - Human Fingerprint on Global Air Quality.webm |
English: http://www.nasa.gov/press-release/new-nasa-satellite-maps-show-human-fingerprint-on-global-air-quality
Using new, high-resolution global satellite maps of air quality indicators, NASA scientists tracked air pollution trends over the last decade in various regions and 195 cities around the globe. The United States, Europe and Japan have improved air quality thanks to emission control regulations, while China, India and the Middle East, with their fast-growing economies and expanding industry, have seen more air pollution. Scientist Bryan Duncan and his team examined observations made from 2005 to 2014 by the Ozone Monitoring Instrument aboard NASA's Aura satellite. One of the atmospheric gases the instrument detects is nitrogen dioxide, a yellow-brown gas that is a common emission from cars, power plants and industrial activity. Nitrogen dioxide can quickly transform into ground-level ozone, a major respiratory pollutant in urban smog. Nitrogen dioxide hotspots, used as an indicator of general air quality, occur over most major cities in developed and developing nations. This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/goto?12096 Like our videos? Subscribe to NASA's Goddard Shorts HD podcast: http://svs.gsfc.nasa.gov/vis/iTunes/f0004_index.html Or find NASA Goddard Space Flight Center on Facebook: http://www.facebook.com/NASA.GSFC Or find us on Twitter: https://twitter.com/NASAGoddard |
Date | |
Source | YouTube: NASA | Human Fingerprint on Global Air Quality – View/save archived versions on archive.org and archive.today |
Author | NASA Goddard |
Licensing[edit]
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:16, 19 August 2018 | 1 min 43 s, 1,280 × 720 (37.17 MB) | Victorgrigas (talk | contribs) | Imported media from https://www.youtube.com/watch?v=aMnDoXuTGS4 |
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