Re: % CO2 in air (correction)

• To: Aquatic-Plants at actwin_com
• Subject: Re: % CO2 in air (correction)
• From: Neil Frank <nfrank at mindspring_com>
• Date: Mon, 17 Feb 1997 09:20:03 -0500

Correction to on the amount of CO2 in air:

It does not make up around 3%. It is more typically described as 0.03 percent. 
Currently however, it is closer to 0.04 percent. Measurements on top of
Mauna Loa, in Hawaii show that the level of CO2 has been steadily increasing
(about 0.4% per year) from a level of 315 parts per million (ppm) in 1958 to
353 ppm in 1990. This is largely attributed to the world-wide increases in
the burning of fossil fuels (coal, oil, gas, wood) and the world's shrinking
forests which are not able to handle all the extra CO2.

Neil Frank      Aquatic Gardeners Association         Raleigh, NC

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