Dr. John Robson comments on key items from the latest Climate Discussion Nexus weekly "Wednesday Wakeup" newsletter (https://climatediscussionnexus.com/ne...) including President Biden's sudden cancellation of Keystone XL, dead mammoths and what scientists really say about deadly cold spells. 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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