Press release 17/2016 from 22.04.2016 | Last changed: 23.01.2017
… for the first time in 2015. By comparison, the concentration of CO2 in the pre-industrial era was about 280 ppm. The concentrations of CO2 are currently climbing … there were measurements of 330 ppm. Compared to the CO 2 concentrations of the pre-industrial era (approx. 280 ppm), this is already an increase of 50 ppm. The 300 ppm … to achieve these goals, not only in Germany but also in other countries and in industrialised nations in particular. According to statistics from the US National …