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BY Tali Aaron : May 6

Plants May Contribute to Global Warming

plant photosynthesis


Although photosynthesis allows plants to absorb CO2 from the air and exhale oxygen, there are some unexpected side effects with increased CO2 levels that may make plants contribute to global warming. Recent research at the Carnegie Institution for Science (CIS) has determined that as a result of the increased carbon dioxide (CO2) in our atmosphere, plants are actually retaining water that normally would evaporate from their leaves, consequently causing a local temperature increase up to 25 percent over the normal greenhouse effect.

According to a report in the Proceedings of the National Academy of Sciences, scientist Long Cao explained, "There is no longer any doubt that carbon dioxide decreases evaporative cooling by plants and that this decreased cooling adds to global warming. This effect would cause significant warming even if carbon dioxide were not a greenhouse gas.” The small vents in plant leaves, called stomata, do not need to open as wide to breathe in the CO2, so they close up, which prevents water from escaping. This effect is not included in current climate models, and could well complicate attempts to reverse the effects of global warming.

10 Responses to Plants May Contribute to Global Warming

  1. buildaroo on October 21, 2012 at 4:27 am


    Plants May Contribute to Global Warming http://t.co/pTICBovd #eco #cleantech #greenbuilding #renewableenergy

  2. buildaroo on August 15, 2012 at 3:13 pm


    Plants May Contribute to Global Warming http://t.co/pTICBovd #eco #cleantech #greenbuilding #renewableenergy

  3. buildaroo on May 5, 2012 at 6:22 pm


    Plants May Contribute to Global Warming http://t.co/pTIH8Yw7 #eco #cleantech #greenbuilding #renewableenergy

  4. buildaroo on February 4, 2012 at 7:53 pm


    Plants May Contribute to Global Warming http://t.co/pTIH8Yw7 #eco #cleantech #greenbuilding #renewableenergy

  5. buildaroo on July 18, 2011 at 8:45 am


    Plants May Contribute to Global Warming http://bit.ly/ctHZjH #eco #cleantech #greenbuilding #renewableenergy

  6. buildaroo on April 16, 2011 at 3:47 pm


    Tiny Water Bubbles may aid in Fighting Global Warming http://bit.ly/a1D1Rb #eco #cleantech #greenbuilding #renewableenergy

  7. buildaroo on February 17, 2011 at 10:02 pm


    Plants May Contribute to Global Warming http://bit.ly/ctHZjH #eco #cleantech #greenbuilding #renewableenergy

  8. buildaroo on February 17, 2011 at 5:17 pm


    Tiny Water Bubbles may aid in Fighting Global Warming http://bit.ly/a1D1Rb #eco #cleantech #greenbuilding #renewableenergy

  9. chemicallygreen on May 6, 2010 at 2:55 pm


    RT @buildaroo: Plants may contribute 2 global warming http://bit.ly/ctHZjH #globalwarming #climatechange #environment

  10. greenbuzz on April 7, 2010 at 3:02 am


    When most of us think of global warming, we visualize Al Gore riding that cherry picker up to… http://goo.gl/fb/FKxuG

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