October 30, 2017
The amount of carbon dioxide in the Earth’s atmosphere grew at a record rate in 2016 to a level not seen for millions of years, the United Nations has revealed.
This increase could fuel a staggering 20-metre rise in sea levels and add 3°C to temperatures.
Experts hope the findings will encourage environment ministers around the world to work on new guidelines for the Paris climate accord.
Atmospheric concentrations of CO2, the main man-made greenhouse gas, hit 403.3 parts per million (ppm) in 2016, up from 400.0 in 2015, the UN World Meteorological Organisation said in its annual Greenhouse Gas Bulletin.
That growth rate was 50 per cent faster than the average over the past decade, driving CO2 levels 45 per cent above pre-industrial levels and further outside the range of 180-280 ppm seen in recent cycles of ice ages and warmer periods.
The WMO said: ‘Today’s CO2 concentration of ~400 ppm exceeds the natural variability seen over hundreds of thousands of years.’
This article was posted: Monday, October 30, 2017 at 8:38 am