Dr. John Robson examines the vital question of how much warming CO2 really causes. How high is ECS (Equilibrium Climate Sensitivity), the amount of warming scientists expect if atmospheric CO2 doubles? And how fast will it happen? If both are high, we face a crisis. But if they're not, there's no need to panic. And recent research suggests they're not.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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