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24/10/2016 CO2 levels consistently exceed the symbolic 400 parts per million threshold

The 400 parts per million threshold was broken globally for the 1st time in recorded history. The high levels of CO2 can be partly attributed to a strong El Niño effect, which produces the drought conditions in tropical regions and makes vegetation less able to absorb the CO2.

Relations

  • Essentials 

  • Current concentration 

  • Past concentration 

  • Atmospheric carbon dioxide and the greenhouse effect 

  • Atmospheric carbon dioxide and the carbon cycle 

  • Anthropogenic CO 2 emissions 

  • Ongoing measurements of atmospheric CO 2