Global carbon dioxide levels. Satellite map of the Earth showing the concentration of carbon dioxide (CO2) in the mid-troposphere (about 8 kilometres
Global carbon dioxide levels. Satellite map of the Earth showing the concentration of carbon dioxide (CO2) in the mid-troposphere (about 8 kilometres above the Earth's surface) in May 2013. The highest concentrations, shown in yellow, are in the Northern Hemisphere. CO2 levels were at their highest for the last 800,000 years ( parts per million). CO2 is a greenhouse gas that contributes to global warming. It is produced naturally by plants and animals during respiration, but is also produced by combustion and the burning of fossil fuels. Data obtained using the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua satellite.
Size: 3819px × 2291px
Photo credit: © NASA EARTH OBSERVATORY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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