Comments on: Is 450 ppm politically possible? Part 8: The U.S. needs a tougher 2020 GHG emissions target http://climateprogress.org/2009/01/13/450-ppm-united-states-greenhouse-gas-emissions-reduction-target/ The Latest on Climate Science, Solutions, and Politics Sun, 22 Nov 2009 03:53:37 -0500 http://wordpress.org/?v=2.8.5 hourly 1 By: Modesty http://climateprogress.org/2009/01/13/450-ppm-united-states-greenhouse-gas-emissions-reduction-target/#comment-27374 Modesty Fri, 16 Jan 2009 18:43:41 +0000 http://climateprogress.org/2009/01/13/450-ppm-united-states-greenhouse-gas-emissions-reduction-target/#comment-27374 Thanks for highlighting den Elzen and Höhne's work. Thanks for highlighting den Elzen and Höhne’s work.

]]> By: Jörg Haas http://climateprogress.org/2009/01/13/450-ppm-united-states-greenhouse-gas-emissions-reduction-target/#comment-27072 Jörg Haas Tue, 13 Jan 2009 22:26:51 +0000 http://climateprogress.org/2009/01/13/450-ppm-united-states-greenhouse-gas-emissions-reduction-target/#comment-27072 Joe, your language is still a bit vague ("limit the use of offsets"). What is your assessment how much would be feasible in terms of purely domestic cuts in the US, by 2020? Joe, your language is still a bit vague (”limit the use of offsets”). What is your assessment how much would be feasible in terms of purely domestic cuts in the US, by 2020?

]]> By: David B. Benson http://climateprogress.org/2009/01/13/450-ppm-united-states-greenhouse-gas-emissions-reduction-target/#comment-27070 David B. Benson Tue, 13 Jan 2009 22:16:42 +0000 http://climateprogress.org/2009/01/13/450-ppm-united-states-greenhouse-gas-emissions-reduction-target/#comment-27070 My not be enough economically recoverable fossil carbon to get up to 450 ppm. Hope not. My not be enough economically recoverable fossil carbon to get up to 450 ppm.

Hope not.

]]> By: Juan Santos http://climateprogress.org/2009/01/13/450-ppm-united-states-greenhouse-gas-emissions-reduction-target/#comment-27049 Juan Santos Tue, 13 Jan 2009 20:13:23 +0000 http://climateprogress.org/2009/01/13/450-ppm-united-states-greenhouse-gas-emissions-reduction-target/#comment-27049 Joe, why aren't you supporting Hansen and the 350ppm analysis? [<em>JR: Who says I'm not? It is a question of timing. Spend some time on this blog.</em>] Joe, why aren’t you supporting Hansen and the 350ppm analysis?

[JR: Who says I'm not? It is a question of timing. Spend some time on this blog.]

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