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Cutting real Christmas trees less environmentally harmful than using an artificial one for six years, biologists say

Date:
November 27, 2012
Source:
Saint Joseph's University
Summary:
Given recent extreme weather events – the summer’s brutal heat and subsequent drought, followed by Superstorm Sandy’s disastrous path – newly green-conscious consumers may be wondering how to lessen their carbon footprint this holiday season. Plant biologists says that buying a real Christmas tree may not solve the world’s climate ills, but it is environmentally better than getting an artificial one.

Plant biologists say that buying a real Christmas tree may not be less environmentally harmful than using an artificial one for six years and tossing it.
Credit: Gorilla / Fotolia

Given recent extreme weather events -- the summer's brutal heat and subsequent drought, followed by Superstorm Sandy's disastrous path -- newly green-conscious consumers may be wondering how to lessen their carbon footprint this holiday season. Plant biologist Clint Springer, Ph.D., assistant professor of biology at Saint Joseph's University in Philadelphia, says that buying a real Christmas tree may not solve the world's climate ills, but it is better than using an artificial one for a few years and tossing it.

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"At this time of year, choosing a real Christmas tree is one way that an average person can make a difference in terms of climate change," Springer says. "A study as recent as 2009 (Ellipsos) concluded that a 7-foot cut tree's impact on climate is 60 percent less than a 7-foot artificial tree used for six years. So while cut trees are not carbon-neutral, in terms of carbon-use, they are better than artificial trees."

Springer acknowledges that many families choose artificial trees because they may not have easy access to real trees, they may be too costly, or because they have tree allergies.

"Ultimately, people need to make the choice that makes the most sense for their family, but they should keep in mind that real Christmas trees do not trigger allergic reactions," Springer says. "Farm-raised trees are too young to be reproductive in most cases, so pollen is not an issue. It's possible, though, that some people might be sensitive to the natural scent of the trees." In that case, Springer recommends choosing pines over firs, which usually carry a weaker scent.

But the question remains for some: Do live Christmas trees bring mold into the home? "From what we know about household allergens like mold spores, a house with a real tree does not usually show a higher rate of indoor air pollution than a house with an artificial tree, because mold spores found on live trees do not usually become air-borne." (Wyse and Malloch, 1970.)

If buying a real tree is not an option, Springer says there are other ways for consumers to green their holiday celebrations.

• Consider using LED lights. A typical 50-light strand of C7 bulbs, often used for outdoor lighting, uses approximately 99 percent more energy than an LED strand of the same number of lights.

• Buy local and sustainably farmed produce for holiday gatherings. This lessens the use of fossil fuels for transportation, cutting down on carbon dioxide emissions, a major contributor to global climate change.

• Buy organic produce. Though pricey for some families, buying organic produce is an even better choice for party season. Organic food is not farmed with artificial fertilizers, which require a tremendous amount of fossil fuels to produce.

• Recycle whenever possible. Consider using wrapping paper or boxes made from recycled material and be sure to recycle them once the gift giving is over.


Story Source:

The above story is based on materials provided by Saint Joseph's University. Note: Materials may be edited for content and length.


Cite This Page:

Saint Joseph's University. "Cutting real Christmas trees less environmentally harmful than using an artificial one for six years, biologists say." ScienceDaily. ScienceDaily, 27 November 2012. <www.sciencedaily.com/releases/2012/11/121127153030.htm>.
Saint Joseph's University. (2012, November 27). Cutting real Christmas trees less environmentally harmful than using an artificial one for six years, biologists say. ScienceDaily. Retrieved December 21, 2014 from www.sciencedaily.com/releases/2012/11/121127153030.htm
Saint Joseph's University. "Cutting real Christmas trees less environmentally harmful than using an artificial one for six years, biologists say." ScienceDaily. www.sciencedaily.com/releases/2012/11/121127153030.htm (accessed December 21, 2014).

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