400 ppm CO2 now permanent

This BBC website article contains a dramatic map showing the sources of global CO2 emissions that have now surpassed 400 ppm. This level has now been recorded for a full year and suggests that the UN Paris climate agreement targets for global warming are unlikely to be met. The article offers insights into the technical reasons for the continuing high levels of CO2, methane and nitrous oxide in the atmosphere and, yet again, issues another call for urgent action.

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