The month was 0.02 degrees Fahrenheit higher than the previous record set in July 2016, which had been matched in 2019 and 2020.
The Earth's surface is now 1.2 ° C warmer than it was in the mid-19th century when temperatures began to rise.
July was the hottest month on record in the world, a US science agency said on Friday in the latest data to sound the alarm on the climate crisis.
“July is typically the world's hottest month of the year, but July 2021 surpassed itself as the hottest July and months on record,” said Rick Spinrad, administrator of the National Oceanic and Atmospheric Administration ( NOAA).
"This new record adds to the worrying and disruptive trajectory that climate change has charted for the world," Spinrad said in a statement citing data from the National Environmental Information Centers (NCEI).
NOAA said the combined land and ocean surface temperature was 1.67 degrees Fahrenheit (0.93 degrees Celsius) above the 20th century average of 60.4 degrees Fahrenheit, which in fact the hottest July since record keeping began 142 years ago.
The month was 0.02 degrees Fahrenheit higher than the previous record set in July 2016, which had been matched in 2019 and 2020.
However, according to data released by the European Union's Copernicus Climate Change Service, last month was the third hottest July on record in the world.
Zeke Hausfather, a climatologist at the Breakthrough Institute, said it was not unusual for agencies to have small differences in the data.
"The NOAA record has more limited coverage over the Arctic than other world temperature records, which tend to show that July 2021 is the second (NASA) or third (Copernicus) hottest on record," he said. Hausfather told AFP.
"But no matter where exactly it ends up in the rankings, the heat the world is experiencing this summer is a clear impact of climate change due to human emissions of CO2 and other greenhouse gases," he said. declared.
“The extreme events we see around the world - from record heat waves and extreme precipitation to raging forest fires - are all predictable and well understood impacts of a warmer world,” he said. -he declares.
“They will continue to get worse until the world reduces its emissions of CO2 and other greenhouse gases to net zero. "
Food for thought-provoking IPCC report
Last week, a UN climate science report by the Intergovernmental Panel on Climate Change caused a shock that the world is on track to reach 1.5 degrees Celsius warming towards 2030.
“Scientists around the world have provided the most recent assessment of how the climate is changing,” NOAA's Spinrad said.
“This is a sobering report from the IPCC that finds that human influence is unequivocally at the root of climate change, and it confirms that the impacts are widespread and rapidly escalating. "
With only 1.1 degrees Celsius warming so far, an unbroken cascade of deadly weather disasters reinforced by climate change swept the world this summer, from heat waves melting asphalt in Canada to rainstorms transforming the streets of the cities of China and Germany in rivers, with indomitable forest fires sweeping Greece and California.
NOAA said the Earth's surface temperature for the northern hemisphere alone was the highest on record for July - 2.77 degrees Fahrenheit (1.54 degrees Celsius) above average, surpassing the previous record of 2012.
Asia experienced its hottest July ever, surpassing 2010, he said, while Europe experienced its second warmest July, behind just 2018.
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