Personally I believe that the earth goes through a curve of both hot and cold seasons. As per the ice age 10,000 years ago. Humanities industrialisation hasn't helped and has pushed the next ice age closer than it would have naturally been but we aren't purely to blame. As the ice caps melt and rainfall increases due to the lower salinity levels of the oceans I believe that over time this will lead to a lowering in global temperature, nothing major but the same as the gradual increase in temperatures that we're seeing at the moment the opposite will also hold true. Obviously there will be discrepencies due to the amount of heat the population of the world puts out through food/energy and manufacturing processes.
I could be 100% wrong but I just feel like we're excerbating a natural issue.
