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Is global warming caused by humans%26#039; actions, or merely accelerated by what we do? Would global warming happen even if Earth was uninhabited, and we%26#039;re speeding up the natural process? Is it a normal cycle/process Mother Nature goes through? Do you ever think this is what happened to the dinosaurs, with humans having more to lose?

What are your thoughts, or questions, on this matter? Please, no suggestions for preventative measures at this time. I%26#039;m wondering about the root of global warming, not how to combat it.

Thank you! %26lt;== here%26#039;s a good description.

On any given day, the CO2 concentrations over the east coast of the United states are up to and sometimes greater than 4 times the global average of 385ppm. Satellites pass over that area that measure the temperature in the atmosphere. In the daytime when the sun passes over, it heats the ground and the ground emits infrared radiation at the speed of light, up toward space. The CO2 as well as water vapor and other molecules with three or more atoms in the atmosphere absorb about half of that radiation and then immediately re-radiate it in all directions. The problem with the CO2 climate driver theory is that CO2 is such a small percentage of the atmosphere that it is nearly insignificant compared to the other greenhouse gases. Most of the temperature increase from greenhouse gases happens in the lower troposphere, which is the part of the atmosphere that is closest to the ground. Since the east coast of the United States has the highest CO2 concentrations, up to 1500ppm, we should see more warming of the lower troposphere in that area, if CO2 has such a profound effect. Here is a graphic of the globe that shows warming trends for the past 30 years, as measured by some of the most accurate satellites in the world and compared to weather balloon measurements for accuracy. Look at figure 3.

http://www.remss.com/msu/msu_data_descri...

Do you see any more warming over the east coast of the US than any other area of the globe?

http://www.geocraft.com/WVFossils/Refere...

http://www.space.com/scienceastronomy/su...

http://www.sciencebits.com/CO2orSolar
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