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The UN has voiced the alert for the growing "bump" between CO2 emissions and the objectives of the Paris Agreement. In the prelude to the COP25 climate summit in Madrid, the United Nations Environment Program (UNEP) has emphasized how emissions have continued to increase 1.5% over the decade and how it will be necessary reduce them by 7.6% annually until 2030 to ensure that the global increase in global temperatures does not exceed the 1.5 degree red line.

If the current trend persists, temperatures will rise between 3.2 and 3.9 degrees in the 21st century, according to the "Emissions Gap" report presented Tuesday in Geneva, which also highlights how Nationally Determined Contributions (NCDs) for The next decade falls short.

"We need to reduce emissions and as quickly as possible in 2020," said Danish Inger Andersen, executive director of UNEP. "More national commitments are needed to accelerate the transformation of our societies and our economies."

"We have to recover all the lost time," Andersen warned. "If we don't do that, the goal of warming no higher than 1.5 degrees may be out of reach before 2030."

"Countries cannot wait until the end of next year, when they are supposed to close their commitments, to take action," added the Danish economist. "They have to do it now, as do cities, regions and businesses."

The UN report highlights how 15 G20 countries, responsible for 78% of greenhouse gas emissions, have not yet committed to achieving "carbon neutrality" in 2050, a goal driven by the Alliance for Climate Ambition signed by 67 countries, including Chile and Spain, co-hosts of COP25 that starts on December 2 in Madrid.

The report highlights how emissions reached in 2018 the equivalent of 55.3 gigatons of CO2. To align with the objectives of Paris should be reduced by 15 gigatons (for a scenario of maximum increase of two degrees of temperatures) or 32 gigatons (for the scenario of 1.5 degrees considered by scientists as the threshold of the maximum impact of climate change).

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