Media elements used in this module are protected by a variety of copyright licenses. Please use the "copyright terms" link associated with each item below for more information.
Description:
Screen shot of the AIRNow OzoneNow website.
File Name:
airnow_ozone_aqi.gif
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AIRNow
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Chart showing EPA Air Quality Index for ozone levels - EPA
File Name:
airnow_ozone_aqi_chart.gif
Credits:
US EPA
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AIRNow website screen shot
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airnow_website.gif
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EPA
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1996 Atlanta Olympic Stadium. Crowd scene with women's 100m hurdles - Photo by Dr. Edwin P. Ewing, Jr, Center for Disease Control
File Name:
cdc_olympicrunners.jpg
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Photo by Dr. Edwin P. Ewing, Jr./US CDC
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1996 Atlanta Olympics: Olympic flag at track and field venue - Photo by Dr. Edwin P. Ewing, Jr, Center for Disease Control
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cdc_olympics.jpg
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Photo by Dr. Edwin P. Ewing, Jr./US CDC
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Coastal counties of the U.S as defined by NOAA - US Census Bureau
File Name:
census_coastal_counties.gif
Credits:
US Census Bureau
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Aerial view of a city - US Census Bureau
File Name:
census_dscn0202-hi.jpg
Credits:
US Census Bureau
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Percentage of housing units built between 2000 and 2005 - US Census Bureau
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census_housing_map.gif
Credits:
US Census Bureau
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Conceptual graphic showing relative air quailty based on location relative to a frontal system.
File Name:
comet_airqzones.jpg
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©The COMET Program
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Examples of albedo for various surfaces.
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comet_albedos.jpg
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©The COMET Program
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Bus and cars at stop light.
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comet_bus_cars.jpg
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©The COMET Program
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Holiday Neighborhood in North Boulder, Colorado
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comet_cityhouse.jpg
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©The COMET Program
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Clean Air Act, 1965 amendement documents signed by Lyndon B. Johnson, 36th president of the U.S. - National Archives
File Name:
comet_cleanairact.png
Credits:
National Archive
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Conceptual graphic showing the difference in outgoing radiation in open, undeveloped land versus a city area with high rises.
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comet_emmitance.jpg
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©The COMET Program
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Conceptual graphic showing the Greenhouse Effect.
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comet_greenhouse_effect.jpg
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©The COMET Program
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Conceptual graphic showing the Greenhouse Effect as greenhouse gas concentrations increase.
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comet_greenhouse_effect_enhanced.jpg
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©The COMET Program
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Conceptual graphic showing an inversion.
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comet_inversion.jpg
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©The COMET Program
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Diagram showing ozone in the stratosphere versus the troposphere.
File Name:
comet_ozone_upper_lower.jpg
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©The COMET Program
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Diagram of ozone production
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comet_ozoneproduction.jpg
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©The COMET Program
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Coal-fired power plant, Boulder, CO, 2007
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comet_powerplant01.jpg
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©The COMET Program
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Coal-fired power plant, Boulder, CO, 2007
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comet_powerplant02.jpg
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©The COMET Program
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Description:
Comparison of Undeveloped and Developed Runoff
File Name:
comet_runoff.jpg
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©The COMET Program
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Panoramic view of Denver in early November showing a dome of polluted air streaming off to the northeast.
File Name:
comet_smog_denver.jpg
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©The COMET Program
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Picture of the bright sun in the sky.
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comet_sunsky.jpg
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©The COMET Program
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SUV exhaust pipe
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comet_tailpipe.jpg
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©The COMET Program
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Bus exhaust pipe
File Name:
comet_tailpipe_03.jpg
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©The COMET Program
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Car exhaust pipe
File Name:
comet_tailpipe2.jpg
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©The COMET Program
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Conceptual drawing of a urban boundary layer. Based on work by Tim Oke and James Voogt.
File Name:
comet_ubl.jpg
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©The COMET Program
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Conceptual graphic showing the urban boundary layer at night over Atlanta.
File Name:
comet_ubl_night.jpg
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©The COMET Program
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Conceptual graphic showing the urban boundary layer at night over Atlanta.
File Name:
comet_ubl_night.jpg
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©The COMET Program
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Conceptual graphic showing cross section of the urban boundary layer with various characterisitcs labeled.
File Name:
comet_ubl_schematic.jpg
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©The COMET Program
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Description:
Conceptual drawing of the temperature profile caused by the urban heat island effect - EPA
File Name:
comet_uhi_tempprofile.jpg
Credits:
EPA
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1947 National System of Interstate Highways original plan - US DOT
File Name:
dot_highwayact.gif
Credits:
US DOT
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Aerial view of clover leave interchange - US DOT
File Name:
dot_mn01.jpg
Credits:
US DOT
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Rate of land development versus rate of population growth in the U.S. 1982-2025 - US EPA
File Name:
epa_chart_land_vs_population.jpg
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US EPA
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Playing in an urban park - US EPA
File Name:
epa_fountainplay.jpg
Credits:
US EPA
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Illustration comparing relative sizes of PM2.5, PM10 and various objects - EPA
File Name:
epa_particulate_matter.jpg
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US EPA
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Information on the positive attributes of trees in a built environment.
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epa_treeinfo.jpg
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US EPA
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File Name:
epa_wastedrain01.jpg
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US EPA
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File Name:
epa_wastedrain02.jpg
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US EPA
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ATLAS imager of Atlanta showing daytime surface temperature and the urban heat island effect, May 11, 1997 - NASA/GSFC
File Name:
nasa_atlanta_urban_day_temp.gif
Credits:
NASA/GSFC
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Smog over Los Angeles - Barbara GaitleyNASA/JPL
File Name:
nasa_jpl_p48863a1.jpg
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Photograph by Barbara GaitleyNASA/JPL
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Map of Atlanta showing location of Perimeter Center - NASA/USGS
File Name:
nasa_wwind_atlanta.jpg
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NASA/USGS
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Aerial view of Atlanta area - USGS Urban Ortho imagery captured wuth NASA's World Wind software.
File Name:
nasa_wwind_atlanta_long.jpg
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NASA/USGS
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Satallite image of Las Vegas, NV area - NASA/USGS
File Name:
nasa_wwind_lasvegas.jpg
Credits:
NASA/USGS
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Satallite image of lower 48 states - NASA/USGS
File Name:
nasa_wwind_lower48.jpg
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NASA/USGS
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Aerial view of Orlando area - USGS Urban Ortho imagery captured wuth NASA's World Wind software.
File Name:
nasa_wwind_orlando.jpg
Credits:
NASA/USGS
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Satallite image of Phoenix, AZ area - NASA/USGS
File Name:
nasa_wwind_phoenix.jpg
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NASA/USGS
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New Orleans French Market, 1915 - National Archives (521050)
File Name:
natarc_american-cities-039.jpg
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National Archives (521050)
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South Water Street, Chicago, April, 1915 - National Archive (521051)
File Name:
natarc_american-cities-040.jpg
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National Archives (521051)
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San Francisco's cable cars climbing the Powell Street hill, ca. 1945 - National Archives (535921)
File Name:
natarc_american-cities-049.jpg
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National Archives (535921)
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The Eighth Avenue trolley, New York City, sharing the street with horse-drawn produce wagon and an open automobile, 1904 - National Archives (541891)
File Name:
natarc_american-cities-103.jpg
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National Archives (541891)
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Aerial view of a complex of Long Island highways that provide access to New York City, ca. 1946 - National Archives (518064)
File Name:
natarc_american-cities-113.jpg
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National Archives (518064)
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Public Works Administration: Slum housing in University, Atlanta 1934 - National Archives (195837)
File Name:
natarc_atlanta1934.jpg
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National Archives (195837)
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Chrysler, Dodge, Plymouth & Desota automobiles , 1946 - 1952 - National Archives (283637)
File Name:
natarc_chrysler_283637.jpg
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National Archives (283637)
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Chrysler, Dodge, Plymouth & Desota automobiles , 1946 - 1952 - National Archives (283791)
File Name:
natarc_chrysler_283791.jpg
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National Archives (283791)
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Progress Department Store. St. Louis , 1928 - National Archives (283593)
File Name:
natarc_deptstore_stlouis_283593.jpg
Credits:
National Archives (283593)
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Grace Janota, former department store clerk, is now a lathe operator at a Western aircraft plant producing B-24 bombers and C-87 transports. 10/1942 - National Archives (196370)
File Name:
natarc_latheoperator_196370.jpg
Credits:
National Archives (196370)
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Levittown, PA 1959
File Name:
natarc_levittownPA_1959.jpg
Credits:
National Archives
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Trolley. St. Paul, MN - National Archives (283657)
File Name:
natarc_trolley_stpaul_283657.jpg
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National Archives (283657)
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Typical picture capturing the poverty and hopelessness felt bv many during the Depression , ca. 1935 - National Archives (195916)
File Name:
natarc_unemployed1935_195916.jpg
Credits:
National Archives (195916)
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Unemployed men queued outside a depression soup kitchen opened in Chicago by Al Capone , 02/1931 - National Archives (541927)
File Name:
natarc_unemployedChicago1931_541927.jpg
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National Archives (541927)
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Man working on hull of U.S. Submarine at Electric Boat Co., Groton, CT, 1943 -
National Archives, General Records of the U.S. Navy, 1789-1947
File Name:
natarc_working-on-submarine-l.jpg
Credits:
National Archives, General Records of the U.S. Navy, 1789-1947
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F4U's and F6F's fly in formation during surrender ceremonies, 09/02/1945 - National Archive (520775)
File Name:
natarc_ww2-202.jpg
Credits:
National Archive (520775)
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Photograph of General Dwight D. Eisenhower Giving the Order of the Day, 06/06/1944 - National Archives (531217)
File Name:
natarc_ww2-98.jpg
Credits:
National Archives (531217)
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Prime Minister Winston S. Churchill, President Franklin D. Roosevelt, and Premier Josef Stalin at the Yalta Conference, 02/1945 - National Archives (531340)
File Name:
natarc_Yalta_Conference.jpg
Credits:
National Archives (531340)
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Horse-drawn wagons and carriages, an electric trolley car, and pedestrians congest a cobblestone Philadelphia street in 1897 - National Archives (513362)
File Name:
natarc-american-cities-100.jpg
Credits:
National Archives (513362)
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Aspen leaf showing ozone damage - US NPS
File Name:
nps_aspenleaf_ozonedamage.jpg
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US NPS
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Snowy driving - NOAA
File Name:
nws_snow012700a.jpg
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NOAA
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The Arlington Cotton Mills, Lawrence, MA from a 1907 postcard.
File Name:
publicdomain_Arlington_Mills_Lawrence_MA.jpg
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[non needed]
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Rosie the Riveter, a symbol for working hard to support the war effort in the U.S. during World War II.
File Name:
publicdomain_Rosie_the_Riveter.jpg
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[none needed]
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United States with color topography and state borders
File Name:
us_state_map.jpg
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©The COMET Program
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Moving troops and equipment inland on Normandy Beach, France, June 1944 - US Army
File Name:
usarmy_SC193082.jpg
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US Army/NCU (No commercial use)
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Housing under construction - USDA/Ken Hammond
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usda_01c0752.jpg
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USDA/Ken Hammond
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Rural road scene - USDA/Ken Hammond
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usda_02c0634.jpg
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USDA/Ken Hammond
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Encroachment on farmland - USDA/Ken Hammond
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usda_02c0710.jpg
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USDA/Ken Hammond
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Farmland for sale - USDA/Ken Hammond
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usda_02c0730.jpg
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USDA/Ken Hammond
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Housing development - USDA/Ken Hammond
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usda_97c3272.jpg
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USDA/Ken Hammond
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Aspen leaf - USDA
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usda_aspenleaf.jpg
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USDA
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Example of a green buffer along a creek - USDA/Photo by Lynn Betts
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usda_buffer.jpg
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Photo courtesy of USDA NRCS
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Neighborhood street with shade trees.
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usda_fs_street_trees.jpg
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USDA Forest Service
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Example of a green roof - USDA
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usda_greenroof.jpg
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Photo courtesy of USDA NRCS
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Details of a green roof - USDA
File Name:
usda_greenroof_detail.jpg
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Photo courtesy of USDA NRCS
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Housing under construction - USDA
File Name:
usda_growthconstruction.jpg
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Photo courtesy of USDA NRCS
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Native plants - USDA
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usda_nativeplants.jpg
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Photo courtesy of USDA NRCS
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Example of impervious pavers in a parking lot- USDA
File Name:
usda_parkingpavers.jpg
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Photo courtesy of USDA NRCS
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Example of impervious asphalt - USDA
File Name:
usda_perviousasphalt.jpg
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Photo courtesy of USDA NRCS
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Example of a rain garden - USDA
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usda_raingarden.jpg
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Photo courtesy of USDA NRCS
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Runoff from farm fields reaches sediment-laden stream in southwestern Iowa - USDA/Lynn Betts
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usda_runoff.jpg
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Photo courtesy of USDA NRCS
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Intake towers and bathtub ring due to low water levels from prolongued drought - USGS
File Name:
usgs_lakemead1022.jpg
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USGS
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Electric street cars in San Francisco, 1906 - USGS
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usgs_sanfran_streetcar_eib00341.jpg
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USGS
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In Upper Tennessee River Basin urban areas, deteriorated sewerage systems and combined sewer overflows produce elevated fecal coliform levels - USGS
File Name:
usgs_seweroverflow.jpg
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USGS
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