Geneva: The last seven years have become record, the United Nations confirmed Wednesday, adding that 2021 the temperature remained high despite the cooling effect of the La Nina weather phenomenon.
“It’s been the hottest seven years since 2015,” said the United Nations World Meteorological Organization in a statement.
And despite the fact that two consecutive La Nina events captured global attention to most of this year, 2021 was still being ranked between seven years of the warmest in the record, WMO said.
“The La Nina Back-to-back event means that 2021 heating is relatively less clear compared to the past few years.
Even so, 2021 is still warmer than the previous years influenced by La Nina,” said the Head of WMO Petteria Talas in the statement.
This, he said, shows that “overall long-term warming as a result of increasing greenhouse gases is now far greater than the year-to-year variability in global average temperatures caused by climate drivers that occur naturally.” La Nina refers to large-scale cooling surface temperatures in the Central and East Pacific Pacific Ocean, with a broad impact on weather throughout the world.
The phenomenon, which usually has an opposite impact when the ELINO phenomenon that warms, usually occurs every two to seven years, but has now reached two times since 2020.
WMO achieved its conclusion by consolidating the six leading international datasets, including the European Union Copernicus climate monitor.
(C3S) and the US OCEANIC and National Atmospheric Administration (NOAA), which announced similar findings last week.
The dataset shows that the average global temperature in 2021 was around 1.11 degrees Celsius above the pre-industrial level which was measured between 1850 and 1900.
– The temperature destroyed the recording – last year also marked the seventh year in a row more than 1C on.
-Industrial level, dataset shows.
“The global average temperature in 2021 has approached the lower limit of the temperature of increasing the Paris Agreement to seek to prevent,” WMO warned.
The Paris 2015 agreement sees countries agreeing to sustain global warming on “far below” 2C above the pre-industrial level, and 1.5c if possible.
WMO emphasized that unbroken warm stripes for the past seven years were part of the long-term trend towards higher global temperatures.
“Since the 1980s, every decade is warmer than before,” he said.
“It is expected to continue.” The dataset varies slightly in their assessment where 2021 ranks among the warmest seven years, with the fifth C3S rank, NOAA ranks sixth, and the others say the seventh.
“The small difference between these datasets shows the margin of errors to calculate the average global temperature,” WMO said.
But while 2021 is among the coolest of the top years of seven, it is still characterized by various recording temperatures and extreme weather events related to global warming.
Talas refers to “the temperature of destroying nearly 50C recording in Canada, comparable to values ​​reported in the Algerian Heat Sahara Desert, extraordinary rainfall, and deadly floods in Asia and Europe and drought in parts of Africa and South America.” “Impact Climate change and danger related to weather have an impact that changes life and destroys the community on every continent.
“