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Climate change scientists have warned that heatwaves, fires and floods were only the "tip of the iceberg" compared to even worse effects to come, leaving the world "partially blind" into the future. .
The Guardian sought the expert opinions of more than 40 scientists from around the world. They said the increase in global temperatures was fully in line with decades of warnings and was boosted this year by the return of El Nino. But people and places were more vulnerable to extreme weather events than expected and were suffering effects not experienced before as climate records were broken.
"July was the hottest month in human history and people around the world are suffering the consequences. This will become the average summer in 10 years, if the world does not cooperate and put climate action at the top of the agenda" , said Prof Piers Forster at the University of Leeds.
Heat and fire records have been broken all over the world in 2023, from North America, to Europe, to Asia. " Our perception is also biased by the fact that we live more often in uncharted territory, which gives a sense of acceleration," Cassou said.
The UN is convening a climate ambitions summit on September 20. "Almost all of our climate indicators are pointing in the wrong direction ," said Amina Mohammed, the UN's deputy secretary-general. "
The World Meteorological Organization has warned that the next five years are likely to be the hottest on record, hitting vulnerable communities the hardest.
"We hope and expect [political] leaders, the private sector and civil society organizations to come to the summit with credible and ambitious actions and commitments."
The main UN climate summit of 2023, Cop28, will begin at the end of November. It is being organized by the United Arab Emirates and is being chaired by Sultan Al Jaber, the chief executive of the UAE state-owned oil company. Global carbon emissions have continued to rise in recent years, but must fall by 43%.
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