TITLE

Global Carbon Balance

AUTHOR(S)
Caldeira, Ken
PUB. DATE
March 2015
SOURCE
AIP Conference Proceedings;2015, Vol. 1652 Issue 1, p5
SOURCE TYPE
Conference Proceeding
DOC. TYPE
Article
ABSTRACT
Human emissions of CO2 now outpace natural sources by two orders of magnitude. The current concentration of CO2 has not been substantially exceeded in the past 30 million years. Multiple model exercises indicate that consuming all fossil fuels would result in concentrations more than double present levels, even after 10,000 years. The global warming effect of carbon emissions appears within 5-7 years. However, since the effect of present infrastructure over its expected life would only modestly increase CO2 concentrations and global temperature, human choices over its replacement will decisively influence ultimate carbon impacts, both short-term and long-term.
ACCESSION #
101902685

 

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