21 Sep '11, 3pm

Locked in a Box, With Plants as a Lifeline: A professor survives for two days in an airtight plastic chamber by

Locked in a Box, With Plants as a Lifeline: A professor survives for two days in an airtight plastic chamber by

The Eden Project Iain Stewart in his plastic box at the Eden Project’s Rainforest Biome in England. What do you get when you lock yourself in an airtight box for 48 hours with no source of oxygen other than 150 house plants? A “blinding headache,” according to Iain Stewart , a professor of geosciences who nonetheless survived the ordeal to demonstrate the interdependence of humans and plants. “We wanted a really dramatic way to drive home the message that photosynthesis is essential to life on this planet,” Dr. Stewart said in a telephone interview. With every exhalation, he explained, humans release carbon dioxide. Plants absorb the carbon dioxide and use light energy to convert it to food while giving off oxygen as a byproduct. We inhale the oxygen. Life goes on. This virtual cycle is fundamental to our existence, but one that most people take for granted, according to D...

Full article: http://green.blogs.nytimes.com/2011/09/21/locked-in-a-box...

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