How to Grow Your Own Fresh Air - TED 2009 Talk

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Information about How to Grow Your Own Fresh Air - TED 2009 Talk
How-to & DIY

Published on January 28, 2009

Author: jaymeattle



With only three varieties of plants, we can
“grow our own fresh air” indoors, to keep us healthy.

how to grow your own fresh air how to grow your own fresh air Kamal Meattle photo credit: Rhys Jones (

Why?  Pollution I live in New Delhi, India, and I became allergic  to the ambient air   It was killing me g My lung capacity had gone down to 70%

Research – IIT, TERI, NASA The Discovery y With only three varieties of plants, we can  “grow our own fresh air” indoors, to keep us  g , p healthy  This also allows us to have reduced fresh air supplied to buildings and yet  meet Industry standards for healthy indoor air.

Which are these plants? “The Living  Room Plant” “The Bedroom Plant” “The Specialist Plant” Areca Palm  Mother‐in‐law's Tongue  Money Plant (Chrysalidocarpus lutescens) (Sansevieria trifasciata) (Epipremnum aureum) For more information on these plants, visit:

The Results Tried and tested these plants for 15 years at: Paharpur Business Centre and Software Technology Incubator  Paharpur Business Centre and Software Technology Incubator Park, New Delhi, India It is a 20 year old, 50,000 ft2 b ildi It i 20 ld 50 000 ft building Over 1,200 plants for 300 building occupants

The Results – Health & Productivity Study found that there is a 42% probability of increasing blood  oxygen by 1% if one is inside the building for 10 hours Rated healthiest building in Delhi by the Government of India* Compared to other buildings in Delhi, the incidence of: Compared to other buildings in Delhi the incidence of: Eye irritation  52% Respiratory symptoms Ri 34% Headaches 24% Lung impairment 12% Asthma 9% *Study published on September 8, 2008 by The Govt. of India, Central Pollution Control Board and  * Chittaranjan National Cancer Institute, Kolkata, India

The Results – Energy Conservation Our experience points to an amazing increase in human  productivity resulting from using these plants to be >20%,  productivity resulting from using these plants to be >20%, and energy costs to reduce by an extraordinary >15% Learn more about the study or check on today’s indoor air quality at

The Future We’re now replicating this concept in a much larger  1.75 million ft2 building We intend to use over 60,000 indoor plants! We intend to use over 60,000 indoor plants! Follow our progress at

Why?  Buildings and Climate Change World energy demand is expected to grow by  30% in the next decade.  Buildings consume 40%  30% in the next decade Buildings consume 40% of the world’s energy* In another 15 years, more than 60% of the world’s  pp population will be living in cities of over 1 million  g inhabitants There is a growing preference for living and working  in air‐conditioned spaces *source: United Nations Environment Program, March 2007

“Be the change you want to see in the world” ‐ Mahatma Gandhi thank you for listening Kamal Meattle |  photo credit: Rhys Jones (

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