Global warming!?!

O ya so we had no snow this winter was it global warming? Me personally I doubt it, well if u think about it the earthquake that japan had last year and the one that caused the tsunami in haiti.people say that they were both strong enof to tilt the earths axis.so you would think that if the earth tilted wouldn't you think that the way the suns rays hit earth would possible change the way the seasons are just maby that's common sense o wait that's not commen