Inexorable global warming

This article from the Guardian reports that April 2016 was the hottest month ever recorded since records began and by the largest increase ecer recorded, This puts in doubt the viability of the 1.5 or 2 degree warming limit targets set by the UN for controlling global warming,  The article contains a dynamic graphic to illustrate the inexorable rise in recorded global temperature. It also reports the concentration of CO2 reaching over 400 parts per million, well above the limit of 350 ppm regarded by many as the desired level for containing the impact of the ‘greenhouse effect’ that is the major factor in  the rise of global temperatures.

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