Manila is one of the top five dirtiest cities when it comes to air pollution. Residents have high rates of asthma and air pollution is responsible for about 4,000 deaths a year. The city is trying to tackle the problem with an innovative solution -- paint.
The city has begun using a paint called Boysen KNOxOUT that is able to filter out nitrogen oxides from the air. The chemical within the paint reacts with sunlight and water vapor making it absorb NOx at a rate of about 20 percent. The city is also taking a beautifying approach by not just slathering the paint on surfaces, but by using it to paint murals along the main highway in Manila, putting the paint right at the source of much of the smog while also making it a more attractive place.
The scientists that developed the paint say that one square foot of the paint absorbs the same amount of pollution as a full-grown tree. The city is painting 11,000 square feet of murals, which means the city will see the same air quality benefits as if they planted 11,000 trees. Cities in the U.S., especially somewhere like Los Angeles that suffers from its own heavy share of smog, could benefit from a little of this paint as well.via BBC
written by Boysen KNOxOUT Philippines, April 24, 2012
written by Andy, April 24, 2012
written by Jane, April 29, 2012
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