Category Archives: Uncategorized

Plants 8 times more effective at reducing pollution than previously believed.

http://www.sciencedaily.com/releases/2012/07/120718143913.htm Both nitrogen dioxide (NO2) and microscopic particulate matter (PM) are taken up by plants in far greater quantities in “urban canyons” than what was believed.   Advertisements

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Real scientists say “don’t plant trees to close”

Scientific fodder in the fight against closely planted trees: apparently car exhaust gets trapped in the canopies of trees when they are placed in an “urban canyon” (rows of high buildings).

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Roots dictate: Size of pot = size of plant

http://www.sciencedaily.com/releases/2012/07/120701191636.htm Interesting implications for containerized trees: “From their 3-D MRI root scans, the researchers observed that potted plants quickly extend their roots to the pot’s walls. It is likely that the plants use their roots to ‘sense’ the size of … Continue reading

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Role of Urban Greenery in CO2 Exchange Demonstrated

http://www.sciencedaily.com/releases/2012/06/120627092855.htm Interesting excerpts:  “For nine months out of the year, the suburban landscape was a source of CO2 to the atmosphere; but during the summer, the carbon uptake by vegetation was large enough to balance out fossil fuel emissions of carbon … Continue reading

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