Carbon dioxide levels, South America

Carbon dioxide levels, South America

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Credit: NASA/Goddard Space Flight Center/Jet Propulsion Laboratory Scientific Visualization Studio /SCIENCE PHOTO LIBRARY

Caption: Globe, centred on South America, showing atmospheric carbon dioxide (CO2) levels. CO2 is a greenhouse gas that contributes to global warming. CO2 levels vary from low (blue, 365 parts per million) through medium (yellow and orange) to high (red, 380 parts per million). The CO2 levels were measured in the mid-troposphere, around eight kilometres above the Earth's surface. The levels are highest in the industrialised Northern Hemisphere and in a belt around the Southern Hemisphere that passed through Argentina. Levels are lowest over uninhabited and forested areas (the Amazon). Data acquired in July 2003 by the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua satellite.

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Keywords: 2000s, 2003, 21st century, airs, amazon, aqua, atmosphere, atmospheric, atmospheric infrared sounder, black background, carbon dioxide, climate change, climatological, climatology, earth, earth observation, earth science, environmental science, global, global warming, globe, greenhouse gas, industrialisation, industrialised, industrialization, industrialized, july, no-one, nobody, north america, pollution, satellite, satellite image, south america, troposphere, tropospheric, worldwide

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