A Depressing Achievement

We are nearly there. The Mauna Loa readings of atmospheric carbon dioxide at an altitude of 3,400 metres in the Hawaiian northern subtropics recorded a mean average for May 2013 of 399.77 parts per million.   Continue reading

Carbon dixode in the atmosphere and its effects

Carbon dioxide has the greatest effect of all the greenhouse gases on climate change, simply because it is the most prevalent. Methane has a greater effect per volume, but there is simply so much carbon dioxide around that its effects overweighs all the other greenhouse gases combined.  That is why measurements of atmospheric carbon dioxide are probably the most significant indicator of the effect of human activity on climate change, because one way or another, humans cause the emissions of carbon dioxide more than any other climate effecting substance. Continue reading