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This year set to be one of four hottest on record, UN report says
A powerful El Niño is expected to keep temperatures elevated into 2027, while oceans and sea levels reached record highs, the WMO said.
On Monday, the World Meteorological Organization warned that 2027 could be the hottest year on record, with a strong El Niño event expected to bring further extreme heat.
Global average surface temperatures from January to September 2026 were about 1.47 degrees Celsius above pre-industrial levels, with the past four years ranking as the warmest on record.
Extreme heat in India affected 146.5 million people, while more than 1,300 died in Himalayan floods; heatwaves, drought, and wildfires in Europe led to more than 30,000 excess deaths.
WMO Secretary-General Celeste Saulo stated El Niño acts as a "risk multiplier," noting "Heatwaves, tropical cyclones, and rainstorms are intensifying faster than our historical baselines prepared us for."
This warning coincides with the United Nations-led COP31 climate conference, where world leaders gathered in Turkey to address the escalating climate crisis.
3.3 degrees in the Arctic, more than 2 degrees in Europe, 1 degree in New Zealand: Researchers have calculated how high global warming is in different regions and when the 1.5 degree target is tossed by Paris.