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Showing posts with label NOAA. Show all posts
Showing posts with label NOAA. Show all posts

Thursday, 16 May 2013

CO2 Tops 400 ppm for First Time in Human History


Source: The Guardian
On 2 May 2013, carbon dioxide (CO2) levels in the atmosphere reached 400 parts-per-million (ppm) for the first time in human history.  This record was measured by the NOAA/ESRL's Global Monitoring Division in Mauna Loa, Hawaii.  The daily average for 9 May 2013 was an alarming 400.03 ppm.  When measurements started in 1958, the daily average was around 315 ppm, already a much higher level than the pre-industrial average of 280 ppm. 

Thursday, 2 August 2012

Ocean Acidification, the Other CO2 Problem


Source: NRDC
The debate around global warming was revived this week when formerly sceptical climate scientist, Richard Muller, confirmed in his recent study from the Berkeley Earth Project that global warming is caused by human activity.  But increased carbon dioxide (CO2) emissions from our use of fossil fuels have another serious consequence.  Meet ocean acidification, the other CO2 problem.