Carbon dioxide CO 2 is an important heat-trapping greenhouse gas, which is released through human activities such as deforestation and burning Changf fuels, as well as natural processes such as respiration and volcanic eruptions. The first graph shows atmospheric CO 2 levels measured at Mauna Loa Observatory, Hawaii, in recent years, with average seasonal cycle removed.
The second graph shows CO 2 levels during the last three glacial cycles, as reconstructed from ice cores. This is more than what had happened naturally over a 20, year period from the Last Glacial Maximum tofrom ppm to ppm.
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The time series below shows global distribution and variation of the concentration of mid-tropospheric https://amazonia.fiocruz.br/scdp/blog/purpose-of-case-study-in-psychology/effective-and-primary-and-secondary-school.php dioxide in parts per million ppm.
The overall color of the map shifts toward the red with advancing time due to the annual increase of CO 2. Images of Change. Explore a stunning gallery of before-and-after images of Earth from land and space that reveal our home planet in a state of flux.
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Climate Mobile Apps. Keep track of Earth's vital signs, see the planet in a state of flux and slow the pace of global warming with NASA's free mobile apps. Climate Time Machine. Travel through Earth's recent climate history and see how increasing carbon dioxide, global temperature and sea ice have changed over time.
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Eyes on the Earth. Global Ice Viewer.
Earth's ice cover is shrinking. See how climate change has affected glaciers, sea ice, and continental ice sheets.]
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