Global atmospheric CO2 levels hit record high
- By Jonathan Watts
- Oct 30, 2017
- 1 min read
The concentration of carbon dioxide in the atmosphere increased at record speed last year to hit a level not seen for more than three million years, the UN has warned.
The new report has raised alarm among scientists and prompted calls for nations to consider more drastic emissions reductions at the upcoming climate negotiations in Bonn.
photo credit: photogism
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