Tagged: 400 ppm


CO2 record ushers in new era

The global increase in carbon dioxide concentrations in the atmosphere to 400 ppm has ushered in a new climate area, concluded scientists from the UN’s weather agency. As Elke Bunge reports, carbon dioxide remains...


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...


CO2 emissions reach record level

Global carbon dioxide concentrations in the atmosphere surpassed 400 parts per million for the first time since measurements began, according to data collected from over 40 measuring stations around the world, putting pressure on...