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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.
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
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