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Originally posted by Muaddib
Face it melatonin, you don't want to accept anything which refutes your beliefs and always will claim only your sources are reliable...
scientists have calculated that volcanoes emit between about 130-230 million tonnes (145-255 million tons) of CO2 into the atmosphere every year (Gerlach, 1999, 1991). This estimate includes both subaerial and submarine volcanoes, about in equal amounts. Emissions of CO2 by human activities, including fossil fuel burning, cement production, and gas flaring, amount to about 27 billion tonnes per year (30 billion tons) [ ( Marland, et al., 2006) - The reference gives the amount of released carbon (C), rather than CO2, through 2003.]. Human activities release more than 130 times the amount of CO2 emitted by volcanoes--the equivalent of more than 8,000 additional volcanoes like Kilauea (Kilauea emits about 3.3 million tonnes/year)!
Professor Sir David King, the UK government's chief scientific adviser, told the BBC that we are currently at 380 ppm. He said, "That's higher than we've been for over a million years, possibly 30 million years. Mankind is changing the climate."
Originally posted by TheAvenger
That is pure, alarmist nonsense.
[edit on 6/23/2007 by TheAvenger]
Originally posted by TheAvenger
I suspect that they make a S.W.A.G: A scientific wild assed guess. Actually, I think some of the sinks have been established to be fairly constant values.
It's not all witchcraft, just some of it is.
Originally posted by TheAvenger
Please re-check that 30 billion M.T. figure for the anthropogenic CO2 contribution.
Originally posted by melatonin
I don't particularly care about my beliefs, more about what the science is saying.