November 23rd, 2009
Atmospheric CO2 levels to hit million-year high
American scientists say the CO2 levels in the earth’s atmosphere are going to hit levels not seen in the past million years. Current climate change theory says CO2 is one of the gases that is causing global warming.
Researchers say the additional CO2 entering the atmosphere is stable and can remain for thousands of years. As fast as plants absorb CO2, more is being added. The IPCC says the additional CO2 is partially due to human acticity, especially burning fossil fuels and wood.
The rise of CO2 in the atmosphere has been measured since 1998 when records were first kept. This past year has seen the CO2 concentration increase slightly faster. The World Moeteorlogical Organization says the increase began with the Industrial Revolution over 200 years ago. The three main greenhouse gases are CO2, methane and N2O (nitrous oxide). All three have both natural and man-made causes.
The IPCC projects that the current CO2 emission curve would raise global temps from 4.3 to 11.5 degrees Fahrenheit by century’s end. Temperatures are already 1 degree higher in the past century. The IPCC says this warming’s mainly due to the build-up of carbon dioxide and other greenhouse gases.
Such warming is predicted to change weather patterns with more extreme weather events. More drought and famine. Political and demographic disruption. More floods. Extinction of numerous plant and animal species. Rising sea levels along with the melting of land ice. Those are the IPCC predictions. Sounds like just another 2012 movie, doesn’t it?
A newsman since 1969, Harry Fuller has worked for CBS, ABC, CNBC Europe, CNET and was founding news director at TechTV. See his full profile and disclosure of his industry affiliations.
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