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‘It’s a 50-50 call’ – World could see 1.5C of warming in next five years

There’s a 50 percent chance the world could reach the 1.5C temperature limit within the next five years.

World shudders at 'terrifying' UN climate report
The IPCC WGI report warned that the climate crisis was now inevitable and some impacts would be irreversible - Copyright AFP/File Ed JONES
The IPCC WGI report warned that the climate crisis was now inevitable and some impacts would be irreversible - Copyright AFP/File Ed JONES

The world faces a 50 percent chance of warming 1.5 degrees Celsius above pre-industrial levels, if only briefly, by 2026, the World Meteorological Organization (WMO) said on Monday.

There is also a 93 percent likelihood of at least one year between 2022-2026 becoming the warmest on record and dislodging 2016 from the top ranking. The chance of the five-year average for 2022-2026 being higher than the last five years (2017-2021) is also 93 percent.

This is based on the Global Annual to Decadal Climate Update, produced by the United Kingdom’s Met Office, the WMO lead center for such predictions.

As CTV News Canada points out, this dire prediction does not necessarily mean the world would be crossing the long-term warming threshold of 1.5C (2.7 degrees Fahrenheit), however, a year of warming at 1.5C could offer a taste of what crossing that long-term threshold would be like.

Asia suffered hottest year on record in 2020: UN
India and other Asian countries have suffered deadly heatwaves in recent years – Copyright AFP/File ISAAC LAWRENCE

“We are getting measurably closer to temporarily reaching the lower target of the Paris Agreement,” said WMO Secretary-General Petteri Taalas, referring to the climate accords adopted in 2015.

As recently as 2015, climate scientists had said there was zero chance of surpassing 1.5 degrees Celsius above pre-industrial levels in the next five years, CNBC reports.

However, the likelihood of exceeding this level was upgraded to 10 percent in the years between 2017 and 2021, before climbing to nearly 50 percent for the 2022 to 2026 period.

“It’s a 50-50 call,” the U.K. Met Office said in a press release.

On April 4, 2022, the U.N.’s Intergovernmental Panel on Climate Change warned us the fight to keep global warming from exceeding 1,5C had now reached “now or never” territory.

Climate crisis could give nuclear energy a second wind
As the climate crisis deepens and need to transition away from fossil fuels becomes urgent, attitudes toward nuclear energy are shifting.   – Copyright AFP/File SEBASTIEN BOZON

And scientists and environmentalists have repeatedly called for nations to substantially reduce their consumption of fossil fuels.

“The 1.5°C figure is not some random statistic,” said Taalas. “It is rather an indicator of the point at which climate impacts will become increasingly harmful for people and indeed the entire planet.”

According to Reuters, the average global temperature is now about 1.1C warmer than the pre-industrial average, and we are already seeing the after-effects of hotter temperatures.

“Loss and damage associated with, or exacerbated by, climate change is already occurring, some of it likely irreversible for the foreseeable future,” said Maxx Dilley, deputy director of climate at the WMO.

“It’s important to remember that once we hit 1.5C, the lack of science-based emissions policies mean that we will suffer worsening impacts as we approach 1.6C, 1.7C, and every increment of warming thereafter,” said Kim Cobb, a climate scientist at the Georgia Institute of Technology.

Written By

Karen Graham is Digital Journal's Editor-at-Large for environmental news. Karen's view of what is happening in our world is colored by her love of history and how the past influences events taking place today. Her belief in man's part in the care of the planet and our environment has led her to focus on the need for action in dealing with climate change. It was said by Geoffrey C. Ward, "Journalism is merely history's first draft." Everyone who writes about what is happening today is indeed, writing a small part of our history.

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