Dr. John Robson asks viewers to spot the difference in cars, planes, clothing and temperature across Canada in 1919 and 2019. The first three are dead simple; the last is impossible despite a supposed century of dangerous warming, just as spotting changes in precipitation is impossible despite a supposed century of increases in extreme weather. To support the Climate Discussion Nexus, subscribe to our YouTube channel (http://www.youtube.com/channel/UC_egd...) and our newsletter (at http://www.climatediscussionnexus.com/), like us on Facebook (http://www.facebook.com/ClimateDN/), follow us on Twitter (http://www.twitter.com/ClimateDN), and make a monthly or one-time pledge at http://www.climatediscussionnexus.com...

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