Greenhouse in Office Building Purifies the Air with Houseplants

Happy New Year to all.  We wish everyone a great year.  I want to share an interesting article in National Geographic that appeared over the holidays. The article details how several varieties of plants are used to purify the air in an office buildings in New Delhi, India - among the cities in the world with the poorest air quality.  Here's a link: http://news.nationalgeographic.com/news/energy/2014/12/141230-can-plants-really-clean-indias-air/

George

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