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November 26th, 2019 / The Guardian, UK

The concentration of climate-heating greenhouse gases has hit a record high, according to a report from the UN’s World Meteorological Organization.

The jumps in the key gases measured in 2018 were all above the average for the last decade, showing action on the climate emergency to date is having no effect in the atmosphere. The WMO said the gap between targets and reality were both “glaring and growing”.

The rise in concentration of greenhouses gases follows inevitably from the continued surge in global emissions, which was described as “brutal news” for 2018. The world’s scientists calculate that emissions must fall by half by 2030 to give a good chance of limiting global heating to 1.5C, beyond which hundreds of millions of people will suffer more heatwaves, droughts, floods and poverty.

But Petteri Taalas, the WMO secretary-general, said: “There is no sign of a slowdown, let alone a decline, despite all the commitments under the Paris agreement on climate change. We need to increase the level of ambition for the sake of the future welfare of mankind.

“It is worth recalling that the last time the Earth experienced a comparable concentration of carbon dioxide was 3-5m years ago. Back then, the temperature was 2-3C warmer and sea level was 10-20 metres higher than now.” Read more …