538:) when he published the 1993 article in reference, where he calculated that theoretically 2 or 3 Boston ferns/9,3m² should be enough for sufficient removal of xylene/formaldehyde. So it seems the sentence "NASA researchers suggest efficient air cleaning is accomplished with at least one plant per 100 square feet of home or office space" isn't correct and perhaps should be changed to something like "According to a study from the environmental consultancy firm Wolverton Environmental Services suggests efficient air cleaning is accomplished with at least two or three plants (depending on the plant species?) per 100 square feet of home or office space, depending on the chemical to be purified. This air-purifying effect was examined in controlled laboratory circumstances and theoretically derived for real-life circumstances."
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The NASA Clean Air Study has been cited in numerous mainstream news articles since it was published, include significant specific coverage in papers like the
Financial Times . A simple Google search shows this. It's also been discussion on mainstream television in many western countries. The article
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I oppose the images editorially, though I completely recognize the good-faith nature of their addition. Seeing the images of the plants does not add to understanding the topic at hand: the effects of the plants on air quality. And making the table much longer (each row taller) makes it harder to see
750:
I'm the one that reverted it... mostly due to the breaking of the table, but also because it made the table very wide... I just didn't think photos were needed for a table of simple yes/no checks and numerical data... the Arabic table looks nice, but I personally think it's still just a little too
603:. I think it might be correct because that species is often sold as a quite large plant (I saw a mass of them at Ikea recently). They might not do well as a house plant, but they are definitely sold for use in larger buildings, so it is easy to imagine researchers getting some for their tests.
711:(NASA's) notable, or just the general topic that plants can help clean the air. The fact that there are multiple studies (and not just from NASA) supports the general topic. If it's just NASA, then why is there so much space devoted to not-that-study results?
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Make the content of "NASA Clean Air Study" a subtopic, perhaps changed to "Publicly
Available Results (1989)" or similar, since the content refers to the work of one individual concerning a particular subset of air cleaning
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There is a good deal of other research on plant uptake/adsorption/metabolism of VOCs and whether or not that's relevant to indoor air quality in real world applications. It's weird for this one study to have its own page.
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as many rows at a time, which makes it harder to see the overall patterns (example: "are most good at benzene?" "is formaldehyde not well-removed by any?" "do lots of them seem to work overall?" etc).
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Chart should be pared down; reference to toxicity removed (not part of NASA study) and list only plants referenced in research. Removed substances listed should also be restricted to those tested. (
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Citations are confused. In some cases, the tag "NASA" simply refers to a web page that summarizes "NASA research". On investigation, one finds that the "researcher" is actually
Wolverton. (
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original references used in this article never seem to use this name for the study, so this name seems to be invented afterwarts? By who and why? This should be considered in this article.
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Merge the contents of "List of Air-filtering Plants" to supplement the subtopic describing
Wolverton's research. (Note that there may be many links to the chart in this article; e.g.:
626:"Air leakage in most homes, and in non-residential buildings too, will generally remove the chemicals faster than the researchers reported for the plants tested by NASA". --
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busy, and a little distracting from the subject matter... feel free to restore the images if you want, I'm more than happy to concede if others like them... -
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564:(palour palm) which is sometimes sold as "areca palm". The horticultural trade isn't always good with names. Reference no. 6 does not make any mention of
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Hi! Today I tried in good faith to begin to add photos of the plants to the table (and failed miserably). I looked at the version of
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The topic deserves clarification and better citations. Links to popular magazines and commercial interests should be removed.
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and related articles on
Knowledge. If you would like to participate, you can choose to edit this article, or visit the
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and that one uses photos nicely and doesn't break. Does anyone think it's possible to do something like that here?
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Proposing: A PNG of a chart from published research. This shows levels, margin of error and so forth
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articles on environment-related topics, as well as to ensure that environment articles are properly
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Add other air cleaning projects and related missions (Apollo, SkyLab, ISS, etc.) conducted by NASA.
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Reference 4 and 18 are exactly the same (or 1 and 18 depending on the switching links 1 and 4Â :-))
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on
Knowledge. If you would like to participate, please visit the project page, where you can join
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Thanks for that reference. I've added it to the article, clarifying in the lead that
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It seems that mr. Wolverton wasn't a Nasa researcher anymore (retired in 1990,
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mentioned and this is probably what should be in this article instead of
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852:"The hidden air pollutants in your home — and how to fight them"
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In this case, I have a feeling that this may actually refer to
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Additional suggestions for cleanup and citations (2016/03/23):
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Linking to other relevant content may yet prove useful:
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This Study only applies to Space
Station = Closed Space
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would have a difficult time growing indoors anyway. --
458:"spin-off" technologies (e.g. Wolverton Environmental)
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642:https://www.nature.com/articles/s41370-019-0175-9
672:the study is not applicable to typical buildings
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599:Reference 2 does refer to Bamboo palm, which is
528:links to references 1 and 4 should be switched
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