This ‘tree’ has the environmental benefits of a forest 

Air pollution is one of the world’s invisible killers.It causes seven million premature deaths a year, making it the largest single environmental health risk, according to the World Health Organization.In urban areas, air quality is particularly problematic. More than 80% of people living in areas where pollution is monitored are exposed to air quality levels that exceed WHO limits. And given that by 2050 two thirds of the global population will be urban, cleaning up our cities’ air is a matter of urgency.One well-established way to reduce air pollutants is to plant trees, as their leaves catch and absorb harmful particulates.But planting new trees is not always a viable option.

Source: This ‘tree’ has the environmental benefits of a forest – CNN.com

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