
The year 2025 is expected to be the second hottest on record, tied with 2023, after the historic record of 2024, the European climate observatory Copernicus announced on Tuesday. Data from the European observatory confirms that global temperatures will exceed pre-industrial levels by 1.5°C, the limit considered safe by the 2015 Paris Agreement.
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Temperatures increased by an average of 1.48°C between January and November, “currently tied with 2023 as the second warmest year on record”, according to the observatory’s monthly update.
“The three-year average for 2023-2025 is on track to exceed 1.5°C for the first time,” Samantha Burgess, climate strategist at Copernicus, said in a statement.
“These steps are not abstract, they reflect the acceleration of climate change and the only way to mitigate future temperature increases is to rapidly reduce greenhouse gas emissions,” he added.
UN Secretary-General António Guterres warned in October that the world would fail to keep warming below 1.5°C in the years to come. Last month was the third warmest November on record, averaging 1.54°C above pre-industrial levels, according to Copernicus.
“The month was marked by several extreme weather events, including tropical cyclones in Southeast Asia, which caused significant and catastrophic flooding and loss of life,” the observatory said.
The Philippines was hit by successive typhoons that killed nearly 260 people in November, while Indonesia, Sri Lanka, Thailand and Malaysia suffered deadly floods in December.
Copernicus makes its measurements from billions of satellite readings and meteorological data, both on land and at sea, and its data dates back to 1940.