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Quote by: xyzer  Please someone tell me SPECIFICALLY why has the last 7 years been globally cooler if anthropogenic CO2 has been increasing? |
I will answer your question with a picture.
http://data.giss.nasa.gov/gistemp/graphs/Fig.A2.lrg.gif
Contemplate this.
Trends in Carbon Dioxide
Your question about volcanoes has been asked and answered. A while ago I posted an article detailing why volcanoes do not work as an explanation due to insufficient volcanic CO2 production.
By observing your pattern I predict that you will now go back to solar activity, and so as a preemptive strike here's the problem with solar activity as an explanation.
Image:Solar-cycle-data.png - Wikipedia, the free encyclopedia
Its an 11 year cycle. Climate isn't. If it changed a whole lot, yes, every climate model predicts that it would either fry us or put us into an ice age and geological evidence shows that when it really is dipping or surging that's what happens. However, that's just not what's happening in modern times.
Climate myths: Global warming is down to the Sun, not humans - climate-change - 16 May 2007 - New Scientist Environment