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UN weather agency warns July likely warmest month on record

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© Unsplash/Fabian Jones Temperatures have hit record highs across the world in 2023.

Echoing that warning in New York, UN Secretary-General António Guterres said that “short of a mini-Ice Age” in coming days, July 2023 would likely “shatter records across the board”.  

The UN chief added that the consequences were as clear as they were tragic: “children swept away by monsoon rains, families running from the flames (and) workers collapsing in scorching heat.”

‘Remarkable and unprecedented’

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In Geneva, scientists from the World Meteorological Organization (WMO) and the European Commission’s Copernicus Climate Change Service described conditions this month as “rather remarkable and unprecedented”.

They said that new data showed that so far, July has seen the hottest three-week period ever recorded and the three hottest days on record.  

“We can say that the first three weeks of July have been the warmest three weeks periods ever observed in our record,” said Carlo Buentempo, Director of Copernicus Climate Change Service, via Zoom.

“This anomaly is so large with respect to other record-breaking months in our record that we are virtually certain that the month, the month as a whole will become the warmest July on record, the warmest month on record, in all likelihood.”

Ocean temperature record

Just as worrying was the fact that ocean temperatures are at their highest-ever recorded levels for this time of year. This trend has been apparent since the end of April.

Citing “a clear and dramatic warming decade on decade” since the 1970s, WMO’s Director of Climate Services Chris Hewitt noted that 2015 to 2022 saw the eight warmest years on record, based on a 173-year dataset.

This was despite the fact that the La Niña sea-cooling phenomenon prevailed towards the end of that period in the Pacific region, which reined in global average temperatures slightly, Mr. Hewitt explained.

“But now the La Niña has ended” – to be replaced by the sea-warming El Niño effect – waters have begun to heat up in the tropical Pacific, bringing the “almost certain likelihood that one of the next five years will be the warmest on record”.

It is also “more likely than not” that global average temperatures will temporarily exceed the 1.5°C threshold above pre-industrial levels “for at least one of the five years”, the WMO scientist continued.  

‘Era of global boiling’

Speaking at UN Headquarters, the Secretary-General underscored the need for global action on emissions, climate adaptation and climate finance. 

He warned that “the era of global warming has ended” and “the era of global boiling has arrived.”

Although climate change is evident, “we can still stop the worst,” he said. “But to do so we must turn a year of burning heat into a year of burning ambition.”  

Climate action now

He said leaders “must step up for climate action and climate justice”, particularly those from the G20 leading industrial nations, responsible for 80 per cent of global emissions.

He pointed to upcoming summits – including the UN Climate Ambition Summit in September and the COP28 climate conference in Dubai in November – as critical opportunities.

Net-zero goal

Mr. Guterres highlighted the need for new national emissions targets from G20 members and urged all countries to push to reach net zero emissions by mid-century.

He said all actors must unite to accelerate the just and equitable transition from fossil fuels to renewable energy, while stopping oil and gas expansion and phasing out coal by 2040.  

Action from companies, cities, regions, financial institutions and fossil fuel companies is also critical.

“No more greenwashing.  No more deception.  And no more abusive distortion of anti-trust laws to sabotage net zero alliances,” he said.

UN weather agency warns July likely warmest month on record

© UNICEF/Safidy Andrianantenain Four years of consecutive droughts have left families in southern Madagascar desperate and unable to feed themselves.

Investment for adaptation

With extreme weather “becoming the new normal”, Mr. Guterres appealed for “a global surge in adaptation investment” to save millions from the impacts of climate change, particularly in developing countries.

He said developed countries must present a clear and credible roadmap to double adaptation finance by 2025. Furthermore, all governments should implement a UN action plan aimed at ensuring everyone on the planet is protected by early warning systems by 2027.

Honour the commitment

On finance, the Secretary-General urged richer countries to honour their commitments to provide $100 billion annually for climate support in developing countries and to fully replenish the Green Climate Fund.

“I am concerned that only two G7 countries – Canada and Germany – have made replenishment pledges so far,” he said.  “Countries must also operationalize the loss and damage fund at COP28 this year. No more delays or excuses.”

Mr. Guterres also reiterated the need for “a course correction in the global finance system” to support accelerated climate action.  

Measures would include putting a price on carbon and getting multilateral development banks to scale up funding for renewable energy, adaptation, and loss and damage. 

 

UN weather agency warns July likely warmest month on record

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