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'''Green walls''' are walls that are covered in [[plants]]. In addition to increasing biomass, green walls improve asthetics in dwellings and public areas. Plants in a green wall can be grown by [[aeroponics]], [[hydroponics]], or traditional methods. Green walls also have potential for use as a water filtration method.[[Image:Green_Wall_1.jpg|thumb|right|px|A Green Wall]]

===Benefits===
The plants of the green wall can improve the air quality through the absorbtion of [[carbon dioxide]] and emission of [[oxygen]]. Transpiration releases water vapor, humidifying the air. Air filtration can be augmented by active [[biofiltration]] by forcing air through the [[soil]]<ref>http://www.watgreen.uwaterloo.ca/projects/library/f02livingwall.pdf</ref>.

The soil environment can be used as a low tech [[water filtration|water filter]] for [[grey water]].

Green walls help raise [[morale]] by improving [[asthetics]]. Sections of a wall may be assigned to individual colonists care, providing a source of diversion and personal expression.

Plants grown in a green wall can augment the [[food]] from [[greenhouse|greenhouses]].

===External Links===
*[http://www.bdcnetwork.com/article/CA6459410.html 6 Things You Need to Know About Green Walls]
*Living Wall - A Feasibility Study for the SLC http://www.watgreen.uwaterloo.ca/projects/library/f02livingwall.pdf
*[http://www.buildinggreentv.com/keywords/green-wall Los Angeles Crop Walls]
*[http://www.agreenroof.com/systems/gws/greenwalls.php Green Living Technologies]

===References===
<references/>

[[Category:Growing Methods]]