Cause?
I think we all see something that relates to climate change. The question is: man-made" or natural changed in the tilt of the earth on its axis. If it is a "normal" result of the change of the tilt, then electric cars on only one northern continent or even two, will have little impact. Better technology (e.g. solar) may help us deal with the change, but it is unlikely that we can "prevent" by changing to solar and nuclear, or generating electricity from the tides or wind.
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