Cities around the country are continuing to see concrete take the place of greenery, despite growing knowledge of the
benefits of urban trees.
It is a sad irony that at the same time as Zaraska notes the
value of urban trees in dealing with pollutants, a council contractor in Sheffield, UK, is busy cutting down hundreds of trees in the city streets.
In southern California, for example, the invasive shot hole borer has killed thousands of city trees and poses a threat to 33
percent of the urban tree population in the region.
On view May 7: — Ayn Foundation presents Arnulf Rainer — The T'ang Horse: Anthony Quinn — threeASFOUR: Tree of Life — Bradley Theodore — Mana Urban Arts Project presents How and Nosm: At the Center of It All
The report, «The Value of Shade: Estimating the
Effect of Urban Trees on Summertime Electricity Use,» has been submitted for publication to the journal Energy and Buildings.
According to the US Energy Information Administration (EIA) estimates, in 2006 urban trees accounted for nearly all (90 percent) of the carbon sequestration attributed to the
combination of urban tree growing, plus land - filled yard trimmings and food scraps.
Given the multiple benefits — both local and global —
of urban trees, this may even be one of those environmental issues that manages to cross party lines and get everyone on board.