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My opinion on it is that an increase of CO2 in the atmosphere is very likely to cause a slight degree change. What I am more interested in is whether this may just be a normal fluctuation of the temperature on the earth or whether as humans we really have caused a globe increase in temperature.
By normal fluctuation I mean that the earth does go through points where it will be hotter and then it will cool. We can see this temperature variation in ice from the arctic.
My opinion on it is that an increase of CO2 in the atmosphere is very likely to cause a slight degree change. What I am more interested in is whether this may just be a normal fluctuation of the temperature on the earth or whether as humans we really have caused a globe increase in temperature.
By normal fluctuation I mean that the earth does go through points where it will be hotter and then it will cool. We can see this temperature variation in ice from the arctic.