Global carbon dioxide levels, 2002-2009

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Global carbon dioxide levels from 2002 to 2009. Earth map animation (cylindrical projection) showing the worldwide variation and rise in carbon dioxide levels in the Earth's atmosphere from September 2002 to December 2009. The month and year are given at lower left during the sequence. This data (mid-tropospheric levels) is from the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua satellite. The levels of carbon dioxide are color-coded (key at lower right), ranging from 364 parts per million (blue) through light blue, green, yellow and orange, to 395 parts per million (red). The sequence shows the seasonal variation (due to the growth cycle of plants), as well as the overall increase of around 2 parts per million (ppm) per year. The seasonal variation is more pronounced in the northern hemisphere. Carbon dioxide is a greenhouse gas that contributes to global warming and climate change.
Licence : Droits gérés
Crédit : Science Photo Library / NASA's Goddard Space Flight Center / SVS
Model Release : Non requis
Property release : Non requis
Durée : 22 Secondes
Aspect ratio : 16/9
Restrictions : -

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