They totted up sources of CO2 and subtracted the amount absorbed by known sinks, like the ocean, to predict how fast mankind's outflow should translate into atmospheric accumulations.
2.
The Sahara-like conditions could be touched off if predicted climatic changes resulting from atmospheric accumulations of heat-trapping greenhouse gases like carbon dioxide come to pass, according to a study by Muhs and his colleagues.
3.
Some scientists believe that the big floods and more frequent droughts and violent storms of the last few years may be traceable to a slight warming of the global temperature, whether natural or induced by atmospheric accumulations of heat-trapping gases like carbon dioxide.
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