Monday, September 28, 2009

Global warming

Stan Wullschleger, who is a researcher at Tennessee's Oak Ridge National Laboratory specialising in the physiological response of plants to global climate change, observes that there are dozens of tree species that could be planted depend ing on location, soil and climate.

It is prudent to remember that ultimately a tree of any shape, size or genetic origin can help absorb carbon dioxide. "The least expensive option is to plant a tree in your garden (if you have one) as it will help offset the production of carbon dioxide," suggests Datta.

Trees that are low maintenance are the best absorbents. This has been pointed out by Dave Nowak, a researcher at the US Forest Service's Northern Research Station in Syracuse, New York.
While studying the use of trees for carbon sequestration in 2002, he discovered that trees like the common horse-chestnut, black walnut, London plane, American sweetgum, Douglas fir, ponderosa pine, red pine, white pine, hispaniolan pine, scarlet oak, red oak, Virginia live oak and bald cypress are very good at absorbing and storing carbon dioxide. In his research paper, Nowak advises urban land developers to avoid trees that require a lot of maintenance, as the burning of fossil fuels to power equipment like trucks and chainsaws will only erase the carbon absorption gains otherwise made.

So, if you want to tackle global warming, all that you need to do is to plant a neem tree in your garden or anywhere in the vicinity! Simple, isn't is?

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