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ecology |
rate of increase of atmospheric CO2 increases Scanning this article is recommended. “Recordings from a volcano-top observatory, NOAA's Mauna Loa Observatory on Hawaii, showed carbon dioxide levels had risen to an average of about 376 parts per million (ppm) for 2003. related material |
30.03.2004
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© abelard, 2004, 30 march the address for this document is https://www.abelard.org/news/ecology040330.asp variable words |