Category: Climate Change

Atmospheric carbon dioxide values are typically at their lowest in September. Not this year. Experts warn that we have now permanently exceeded the symbolic 400 ppm threshold. (Image credit: kris krüg, flickr/Creative Commons) 0

CO2 red line is crossed

This September has set a new, tragic record for carbon dioxide levels. Change hardly seems possible in the face of such permanently high levels, especially as other negative records are piling up. Elke Bunge...