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More climate records fall in world's warmest February


More climate records fall in world's warmest February

Last month was the warmest February on record globally, the ninth straight month of historic high temperatures across the planet as climate change steers the world into "uncharted territory", Europe's climate monitor said Thursday (Mar 7). The last year has seen an onslaught of storms, crop-withering drought and devastating fires, as human-caused climate change – intensified by the naturally-occurring El Nino weather phenomenon – stoked warming to likely the hottest levels in over 100,000 years.

Copernicus Climate Change Service (C3S) service last month said the period from February 2023 to January 2024 marked the first time Earth had endured 12 consecutive months of temperatures 1.5 degrees Celsius hotter than the pre-industrial era.

That trend has continued, it confirmed in its latest monthly update, with February as a whole 1.77C warmer than the monthly estimate for 1850-1900, the pre-industrial reference period.

Temperatures spiked across swathes of the planet in February, from Siberia to South America, with Europe also registering its second warmest winter on record.

In the first half of the month, daily global temperatures were "exceptionally high", Copernicus said, with four consecutive days registering averages 2C higher than pre-industrial times – just months after the world registered its first single day above that limit.

This was the longest streak over 2C on record, said C3S director Carlo Buontempo, adding the heat was "remarkable".

But it does not mark a breach of the 2015 Paris climate deal limit of "well below" 2C and preferably 1.5C, which is measured over decades.

Copernicus' direct data from across the planet goes back to the 1940s, but Buontempo said that taking into account what scientists know about historical temperatures "our civilization has never had to cope with this climate".

"In that sense, I think the definition of uncharted territory is appropriate," he told AFP news agency, adding global warming posed an unprecedented challenge to "our cities, our culture, our transport system, our energy system".

Sea surface temperatures were the highest for any month on record, Copernicus said, smashing the previous heat extremes seen in August 2023 with a new high of just over 21C at the end of the month.

Oceans cover 70 percent of the planet and have kept the Earth's surface liveable by absorbing 90 percent of the excess heat produced by the carbon pollution from human activity since the dawn of the industrial age.

Hotter oceans mean more moisture in the atmosphere, leading to increasingly erratic weather, like fierce winds and powerful rain.

The cyclical El Nino, which warms the sea surface in the southern Pacific leading to hotter weather globally, is expected to fizzle out by early summer, Buontempo said.

He added that the transition to the cooling La Nina phenomenon may happen faster than expected, potentially decreasing the chances that 2024 will be another record-breaking year.

(Compiled)

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