The last eight years were the warmest on record even with the cooling influence of a La Nina weather pattern since 2020, the European Union's climate monitoring service said Tuesday.
Average temperatures across 2022 -- which saw a cascade of unprecedented natural disasters made more likely and deadly by climate change -- make it the fifth warmest year since records began in the 19th century, according to the Copernicus Climate Change Service.
Pakistan and northern India were scorched by a two-month spring heatwave with sustained temperatures well above 40 degrees Celsius (104 degrees Fahrenheit), followed in Pakistan by flooding that covered a third of the country.
France, Britain, Spain and Italy set new average temperature records for 2022, with Europe as a whole enduring its second hottest year ever, Copernicus said in an annual report.
Heatwaves across the continent were compounded by severe drought conditions.
European temperatures have increased by more than twice the global average over the past 30 years, with the region showing the highest rate of increase of any continent on the globe.
"2022 was yet another year of climate extremes across Europe and globally," said deputy head of the Copernicus climate change service Samantha Burgess in a statement.
"These events highlight that we are already experiencing the devastating consequences of our warming world."
Large swathes of the Middle East, China, central Asia and northern Africa also saw unprecedented warmth averaged across the whole of 2022.
- 'No sign of slowing' -
China and western Europe reported negative impacts on agriculture, river transport and energy management related to weather conditions.
Earth's polar regions also experienced record temperatures last year as well.
The remote Vostok station deep in the interior of East Antarctica reached a relatively balmy minus 17.7C, the warmest ever measured in its 65-year history.
At the other end of the globe, Greenland experienced September temperatures 8C higher than average, accelerating ice sheet loss that has become a major contributor to sea level rise.
The hottest years on record globally so far are -- in descending order -- 2016, 2020, 2019 and 2017, according to Copernicus.
The atmospheric concentrations of the two main greenhouse gases that drive global warming -- carbon dioxide (CO2) and methane (CH4) -- also continued a decades-long climb to record levels.
CO2 levels rose to 417 parts per million -- the highest level in over two million years. Methane rose to 1,894 parts per billion to levels not seen in 800,000 years.
"Atmospheric concentrations are continuing to rise with no sign of slowing," said Vincent-Henri Peuch, director of the Copernicus Atmospheric Monitoring Service.
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© Agence France-Presse
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