Environmental trifluoroacetate
Article Abstract:
The trifluoroacetic acid (TFA) concentration in water and air samples collected in Switzerland, Israel and Germany in 1995 is in the range that has been predicted for 2010. The predicted concentration is based on the assumption of no environmental TFA and 30-40% oxidization to TFA of the 230,000 metric tons of 1,1,1,2-tetrafluoroethane expected to be produced in 2010. TFA is not absorbed or degraded in the soil as its level in spring water is similar to atmospheric levels. 1,1,1,2-tetrafluoroethane is being used as an alternative to chlorofluorocarbons for cooling purposes.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1996
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Variations in atmospheric methane concentration during the Holocene epoch
Article Abstract:
Studies on the content of methane in the atmosphere indicate a change of about 15% in atmospheric methane during the Holocene period, which has implications on the low latitude fluctuations in hydrological cycles. The drying up of several lakes during the mid-Holocene indicates that the lowest levels of methane in the atmosphere occurred during this period. Formation of the northern wetlands during the Late Holocene caused the increase in methane concentration.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1995
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Warming debate highlights poor data
Article Abstract:
Arguments and discrepancies regarding adequacy of data regarding global warming has come to an end with scientists coming to an agreement that indeed data available on global warming is inadequate. Data collected shows that analysis of the tropospheric layer is consistent with a warming world but large uncertainties still exist in the data.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2005
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