Comments on: Climate Change Update: CO2 Levels in the Arctic Have Reached 400 PPM https://techsomogro.com/climate-change-update-co2-levels-arctic-reached-400-ppm/?utm_source=rss&utm_medium=rss&utm_campaign=climate-change-update-co2-levels-arctic-reached-400-ppm Science, Technology and the Future Fri, 10 May 2013 15:20:31 +0000 hourly 1 https://wordpress.org/?v=6.6.2 By: lenrosen4 https://techsomogro.com/climate-change-update-co2-levels-arctic-reached-400-ppm/#comment-8631 Fri, 10 May 2013 15:20:31 +0000 http://www.21stcentech.com/?p=4508#comment-8631 andrew fewrguson. Read http://www.21stcentech.com/climate-change-update-follow-keeling-curve-twitter/ and go to the links provided by the article to learn more about CO2 trending.]]> In reply to andrew fewrguson.

Read http://www.21stcentech.com/climate-change-update-follow-keeling-curve-twitter/ and go to the links provided by the article to learn more about CO2 trending.

]]> By: andrew fewrguson https://techsomogro.com/climate-change-update-co2-levels-arctic-reached-400-ppm/#comment-8630 Fri, 10 May 2013 13:58:42 +0000 http://www.21stcentech.com/?p=4508#comment-8630 My question is is there a trend in co2 since industrial revolution ?

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