Wednesday, September 9, 2009

Houseplants Make Air Healthier

Houseplants were placed into experimental chambers in a greenhouse equipped with a charcoal filtration air supply system to measure ozone depletion rates. Credit: Dennis Decoteau.

From Live Science:

Houseplants can neutralize harmful ozone, making indoor air cleaner, according to a new study.

Ozone, which is the main component of smog, forms when high-energy light, such as the ultraviolet light from the sun, breaks oxygen bonds, ultimately resulting in O3, three atoms of oxygen joining together. When formed higher up in the atmosphere, the ozone layer protects us from harmful UV rays. Ground-level ozone is not so pleasant.

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