Article View: sci.energy
Article #2777Re: carbon in atmosphere HIGHEST ever
From: Sam Wormley
Date: Sat, 18 Jun 2011 14:53
Date: Sat, 18 Jun 2011 14:53
38 lines
3177 bytes
3177 bytes
On 6/18/11 8:10 AM, Peter Webb wrote: > > "Sam Wormley" <swormley1@gmail.com> wrote in message > news:-Y2dnbMEZMfVBWHQnZ2dnUVZ_rydnZ2d@mchsi.com... >> On 6/18/11 7:18 AM, Peter Webb wrote: >>> >>> "Sam Wormley" <swormley1@gmail.com> wrote in message >>> news:-Y2dnbYEZMfQC2HQnZ2dnUVZ_rydnZ2d@mchsi.com... >>>> On 6/18/11 7:01 AM, Jim wrote: >>>>> So Scinece knows what the CO2 levels were 500 million years ago? Get >>>>> real >>>>> please. >>>>> >>>> >>>> Proxy data is data that paleoclimatologists gather from natural >>>> recorders of climate variability, e.g., tree rings, ice cores, fossil >>>> pollen, ocean sediments, coral and historical data. By analyzing >>>> records taken from these and other proxy sources, scientists can >>>> extend our understanding of climate far beyond the 140 year >>>> instrumental record. >>>> >>> >>> And hence can demonstrate that the current atmospheric CO2 levels are >>> almost the lowest ever recorded. >> >> But not the history that includes human beings. We humans >> could not have survived on this planet for most of its history. >> > > Yes. For example during snowball earth. > > But the claim is that CO2 levels are the highest ever. In fact, as you > correctly point out, atmospheric CO2 levels have been far, far higher in > the past. > > Context, Peter, context.
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X-Google-Thread: 54ac8f410d,b17555bec477b50f X-Google-Attributes: gid54ac8f410d,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!news1.google.com!Xl.tags.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local2.nntp.dca.giganews.com!nntp.mchsi.com!news.mchsi.com.POSTED!not-for-mail NNTP-Posting-Date: Sat, 18 Jun 2011 09:53:33 -0500 Date: Sat, 18 Jun 2011 09:53:33 -0500 From: Sam Wormley <swormley1@gmail.com> User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10 MIME-Version: 1.0 Newsgroups: sci.energy,alt.politics.democrats.d,talk.politics.misc,dc.politics,sci.physics Subject: Re: carbon in atmosphere HIGHEST ever References: <40248226-2638-4127-8f9a-fc57eebb093a@l6g2000vbn.googlegroups.com> <itgksg$hfb$1@dont-email.me> <d4SdneWh1fVzfWbQnZ2dnUVZ_sSdnZ2d@mchsi.com> <iti43d$pqj$1@dont-email.me> <-Y2dnbYEZMfQC2HQnZ2dnUVZ_rydnZ2d@mchsi.com> <4dfc9788$0$22468$afc38c87@news.optusnet.com.au> <-Y2dnbMEZMfVBWHQnZ2dnUVZ_rydnZ2d@mchsi.com> <4dfca3c1$0$2444$afc38c87@news.optusnet.com.au> In-Reply-To: <4dfca3c1$0$2444$afc38c87@news.optusnet.com.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Message-ID: <-Y2dnbIEZMdwJmHQnZ2dnUVZ_rydnZ2d@mchsi.com> Lines: 40 X-Usenet-Provider: http://www.giganews.com NNTP-Posting-Host: 50.81.250.238 X-Trace: sv3-Iq9+Ckq6XahKjTmTYGv0aiUYAfdOYwKNOlPVvtIfggexjN2xvqcuKEaW0mteMAP9K1yIxmKLKS63hcB!H0zmHLNdJnks8ug1C1JmCswB9Um+TtPac7a8D3rGSI8mG5tsOhS/egC8FsiJqecdVWmOFrF+x2+u!KK9DBac= X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 2888