"A climate scientist not involved in the study hypothesized that the "population may have been lulled into complacency when it comes to the impacts of climate change by the fact that perceived weather conditions have improved with the moderate warming of the past century."

This occurs when human selfishness dominates consciousness-instead of a concern for the wellbeing of the planet and others experiencing pain and loss, AND an awareness that award winter is simply not normal...an excellent article on human denial and climate change-one of many now popping up as reality sets in...

http://www.commondreams.org/news/2016/04/21/enjoying-weather-just-wait-few-years