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EU monitor predicts 2023 to be hottest year on record

AFP – The year 2023 is likely to be the hottest year in human history, and global temperatures during the northern hemisphere summer were the warmest on record, the European Union (EU) climate monitor said yesterday.

Heatwaves, droughts and wildfires struck Asia, Africa, Europe and North America over the last three months, with dramatic impact on economies, ecosystems and human health.

The average global temperature in June, July and August was 16.77 degrees Celsius (oC), smashing the previous 2019 record of 16.48oC, the Copernicus Climate Change Service (C3S) said in a report.

“The three months that we’ve just had are the warmest in approximately 120,000 years, so effectively human history,” C3S Deputy Director Samantha Burgess told AFP.

Last month was the hottest August on record and warmer than all other months except July 2023.

“Climate breakdown has begun,” said United Nation (UN) Secretary General Antonio Guterres.

“Scientists have long warned what our fossil fuel addiction will unleash,” he added.

“Our climate is imploding faster than we can cope, with extreme weather events hitting every corner of the planet.”

A woman cools off in the water of the Trocadero basin in Central Paris. PHOTO: AFP
People sheltering from the sun in St James’ Park in London. PHOTO: AFP

Record-high global sea surface temperatures played a major role in stoking heat throughout the summer, with marine heatwaves hitting the North Atlantic and the Mediterranean Sea.

“Looking at the additional heat we have in the surface ocean, the probability is that 2023 will end up being the warmest year on record,” Burgess said.

The average global temperature through the first eight months of 2023 is the second-warmest on record, only 0.01oC, below the benchmark 2016 level, the report added. “If the Northern Hemisphere has a normal winter, we can almost virtually say that 2023 will be the warmest year that humanity has experienced,” Burgess said.

Oceans have absorbed 90 per cent of the excess heat produced by human activity since the dawn of the industrial age, according to scientists.

This excess heat continues to accumulate as greenhouse gases – mainly from burning oil, gas and coal – build up in the Earth’s atmosphere.

Excluding the polar regions, global average sea surface temperatures exceeded the previous March 2016 record every day this summer from July 31 to August 31.

The average ocean temperature has been topping seasonal heat records on a regular basis since April.

Warmer oceans are also less capable of absorbing carbon dioxide, exacerbating the vicious cycle of global warming as well as disrupting fragile ecosystems.

Antarctic sea ice remained at a record low for the time of year with a monthly value of 12 per cent below average, by far the largest negative anomaly for August since satellite observations began in the 1970s, C3S said.

Higher temperatures are likely to come: the El Nino weather phenomenon – which warms waters in the southern Pacific and beyond – has only just begun.

Scientists expect the worst effects of the current El Nino to be felt at the end of 2023 and into next year.

At the 2015 Paris climate summit, countries agreed to keep global temperature increases to well below 2oC,above pre-industrial levels, with an aspirational target of 1.5oC.

A report by UN experts due this week will assess the world’s progress in meeting the goal and will inform leaders ahead of a high-stakes climate summit in Dubai starting on November 30.

The so-called ‘Global Stocktake’ is expected to show that countries are well behind meeting their commitments.