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CO2 levels on the rise - reach 400 ppm for April in Northern Hemisphere

CO2 Levels Reach and Maintain 400 PPM – A Dubious Milestone in Human History

Posted on May 29, 2014 by Thomas Schueneman | 1 Comments

The World Meteorological Organization reports that, for the first time in human history, atmospheric concentrations of carbon dioxide (CO2) eclipsed 400 parts-per-million (ppm) in the northern hemisphere for the entire month of April.CO2 concentration varies with the seasons, generally reaching their highest level early in the northern hemisphere’s spring before seasonal intake of CO2 from vegetation. The first recording of 400 ppm…

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A new report from the WMO shows record greenhouse gas emissions in 2012, and rising. Can we get our act together in time to avoid the worst of climate change?

Record Greenhouse Gases – Is 2 Degrees Still Possible?

Posted on November 13, 2013 by Thomas Schueneman | 1 Comments

Is the “aspiration goal” of a 2 degree limit to global temperature increase slipping from our grasp? The latest Greenhouse Gas Bulletin released last week by the World Meteorological Organization (WMO) revealed that global atmospheric greenhouse gases hit a new record high, rising 2.2 parts-per-million (ppm) from 2011 levels to an average 393.1 ppm in 2012. The rate of change…

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Putting a price on carbon remains a vital tool for dealing with the climate crisis

CO2 Increasing “Super Exponentially” – A Call for “Evidence-Based Decision Making”

Posted on March 16, 2011 by Thomas Schueneman | 3 Comments

A research paper called Evidence for super-exponentially accelerating atmospheric carbon dioxide growth (pdf) recently published  in the Cornell University Library shows – in great mathematical detail – that atmospheric carbon is increasing “super exponentially” and that human civilization currently consumes planetary resources at the rate of 1.5 earths every year. “This means,” says the report in its introduction, “it now takes the Earth…

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