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2022was another record-hot year. Experts say we must prepare for more climate-related disasters

Duha Faris Al-Serdar by Duha Faris Al-Serdar
January 11, 2023
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2022was another record-hot year. Experts say we must prepare for more climate-related disasters
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‘We will hit 1.5 degrees this century’

2022 was the fifth-warmest year on record, the European-based climate service Copernicus reported on Tuesday

It was 0.3 C above the 1991–2020 average, and 1.2 C above the pre-industrial average (1850–1900), making it the eighth consecutive year that global temperatures were more than 1 C above the pre-industrial average. NASA and the National Oceanic and Atmospheric Administration will release their joint findings on Jan. 12, which will likely be the same ranking or similar, as in previous years 

The fact that it was another year in the top 10 likely isn’t a surprise for most people, but experts say it’s concerning that the warming trend continues even in light of a cooling phenomenon called La Nina

It is unusual that with La Nina, which should bring cooler temperatures, that we are right now about to be confirmed [as one of the] warmest years said Mélie Monnerat, project manager at the University of Waterloo’s Intact Centre on Climate Adaptation

Even if 2022 was maybe not as warm as 2021, it’s still ridiculously high

The last eight years have been the eight warmest on record.

2022 came in at number 5. pic.twitter.com/RVhEMbvDa2

— Scott Duncan (@ScottDuncanWX) January 5, 2023

There’s an ocean pattern called the El Nino-Southern Oscillation (ENSO), where temperatures in a particular part of the central and eastern Pacific Ocean either warm or cool by a few degrees. When it’s cooler, it’s a La Nina year. When it’s warmer, it’s an El Nino year 

Both of these patterns have varying effects around the world, depending on where you are. But an El Nino year typically results in a warmer annual global temperature

However, the past three years have been La Nina years — and also some of the warmest years on record, with effects felt across the globe and the country

In 2021, Lytton, B.C., recorded the highest temperature ever in Canada, at 49.6 C . It was also almost wiped off the map following deadly forest fires .  And in 2022, worldwide, there were no shortage of climate disasters, including flooding in Pakistan and Nigeria, drought in Somalia , and record-breaking heat waves in Europe .

It’s a reminder that, as the planet warms, we will experience more and more climate-related disasters, and we need to be better prepared, experts say 

CLIMATE LOOKAHEAD FOR 2023: KEY ISSUES AND INNOVATIONS | ABOUT THAT

5 days agoDuration22:47Andrew Chang and CBC meteorologist and Planet Wonder host Johanna Wagstaffe discuss major climate moments last year, and how they may hint at what we can expect this year. Plus, a cricket taste test

Warmest years on record

According to several climate agencies, La Nina is expected to transition to neutral by the summer . After that, it’s possible we could transition to another El Nino, which means we could see one of the warmest years on record, perhaps beating out 2016 when the temperature was roughly 1.01 C above average

In our report, we cover that the last eight years have been the warmest eight years on record. Last year, we said that the last seven years have been the seven-warmest years on record said Samantha Burgess, the deputy director of the Copernicus Climate Change ServiceThe reality is that the climate that we’re living in right now, our infrastructure is not fit for this purpose 

She also noted that, without La Nina in place, 2022 would have been even warmer

If we go forward 10 or 15 years into the future, 2022 will probably be looked at as a cooler year than average- Samantha Burgess, deputy director, Copernicus Climate Change Service

Burgess said that as greenhouse gases continue to be emitted, it’s likely that the years ahead will get warmer and warmer

If we go forward 10 or 15 years into the future, 2022 will probably be looked at as a cooler year than average she said 

‘We will hit 1.5 degrees this century’

2023 has already broken winter temperature records across Europe 

The Copernicus report also noted that both CO2 emissions and methane — two of the leading contributors to global warming — increased in 2022: CO2, by 2.1 parts per million and methane by 12 parts per billion

Annual averages of global air temperature at a height of two metres estimated change since the pre-industrial period (left-hand axis) and relative to 1991-2020 (right-hand axis), according to different datasets for 2021. (Copernicus Climate Change Service/ECMWF)
Annual averages of global air temperature at a height of two metres estimated change since the pre-industrial period (left-hand axis) and relative to 1991-2020 (right-hand axis), according to different datasets for 2021.PHOTO: (COPERNICUS CLIMATE CHANGE SERVICE/ECMWF)

This isn’t in line with the Intergovernmental Panel of Climate Change’s goal of trying to limit global warming to 1.5 C by the end of the century  by rapidly cutting emissions

We will hit 1.5 degrees this century Burgess saidWorryingly, we’ll probably hit it in the next decade or so

Right now, we’re at 1.2 degrees of warming above the pre-industrial average, she said, and if we do a linear extrapolation of the amount of greenhouse gases that are currently in the atmosphere, that takes us to the early 2030s

But the point of this, she added, isn’t to be alarmist. It’s to reiterate how important our choices are, from the way we consume to the way we vote

And just because we will hit 1.5 C doesn’t mean it will be like that forever, she said, nor does it mean we shouldn’t actively try to adapt or mitigate climate change

It’s not a cliff edge Burgess said of the 1.5 C temperatureEvery fraction of a degree matters. It matters for the types of heat waves that we have in summer, and the implications that has for vulnerable parts of our community. It matters for ecosystems, whether fish can breed or not, whether the right prey species is available in the right season for species to flourish

‘There is much work left to do’

As for Canada, Monnerat notes that the federal government has rolled out its National Adaptation Strategy , which aims to combat the consequences of climate change — for example, creating new strategies as heat waves increase across the country, in places like Toronto 

Many of the national adaptation strategy targets have a timeframe to 2024 to 2025 she said.  That, she noted, is for the short-term — such as dealing with extreme and persistent heat waves — but with larger goals moving forward toward 2040

There is much work left to do. Certain parts of Canada are warming twice as fast as the average of the rest of the planet Monnerat saidAnd then the North is triple [that]. And with the thaw of the permafrost and ice melting, these are very specific challenges that are addressed in the National Adaptation Strategy

Governments need to re-examine where homes are built in order to avoid impacts by flooding and wildfires, she added

She also noted that the Intact Centre has tools for homeowners to try to prepare themselves against such things like flooding which is one of the biggest and costliest consequences of climate change to homewowners in parts of Canada — as well as wildfires 

Meanwhile, Burgess said, as a mother, it concerns her that her son may not be able to see and enjoy the landscapes and wildlife that she herself has enjoyed. But she hasn’t lost hope for the future

That does keep me up at night she saidBut equally, I think I am buoyed by the optimism and the climate activism of the next generation

Nicole Mortillaro· CBC News 

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