Air-Purifying Billboard Packs Cleansing Power of 1,200 Trees

Posted by Rich Christianson | Posted: 07/06/2014 9:02AM


Scientists at the University of Engineering and Technology (UTEC) in Peru say they have developed  an air-purifying billboard that has the cleansing power of 1,200 trees to scrub the air of pollutants.

UTEC has installed a billboard in construction site in Lima, one of South America's most polluted cities, as an acid test for its technology. Polluted air is captured in the system, dissolved in recyclable water and then released as fresh air. The scientists claim the billboard recently proved 99 percent effective in removing airborne bacteria - dust, germs, etc. -  during a one-week period. The results could be experienced within a five-block radius, they add.

One can only begin to imagine the impact the technology might have inside a 50,000-square-foot wood products plant.


About the Author

Rich Christianson

Rich Christianson is Associate Publisher and Editor at Large of Woodworking Network. During his 25+ years covering the wood products industry, Rich has toured hundreds of manufacturing plants throughout North America, Europe and Asia. His reporting has covered everything from the state of the industry and impact of wood imports to technology and environmental issues. In his current capacity he is responsible for editing the daily Woodworking Network Update newsletter and coordinating events including the annual Cabinets & Closets Conference & Expo and Canada’s biennial Woodworking Machinery & Supply Expo. He can be contacted at or follow him on Google+.

Read more of Rich Christianson's blogs.

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