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File image from 2014 of coastal flooding in Bray, Co Wicklow. Eamonn Farrell/Photocall Ireland

Climate change: What can Ireland learn from the most recent IPCC report?

Europe, along with most of the rest of the world, will be impacted by temperature increases, water scarcity, sea level rise and more floods.

THE LATEST UN climate report released last week outlined that there has been a “substantial increase” in extreme events and other climate change impacts in Europe in recent years.

The report from the Intergovernmental Panel on Climate Change (IPCC) found that 3.3-3.6 billion people and a high proportion of species are vulnerable to climate change.

The stark report was described as an “atlas of human suffering” by the secretary general of the UN. 

The findings made clear that climate change is already causing severe and widespread disruption around the world. 

Emeritus Professor of Geography at Maynooth University John Sweeney said that increased flooding and rainfall are “by far the most important impacts that Ireland will have to face”.

“The modelling for Ireland suggests that we’re going to experience increased flood events from heavier winter rainfall events, especially in the west of Ireland in winter, and we’re going to experience increasing drought problems, especially in the east of Ireland in summer,” Sweeney told The Journal

“We won’t have the really high mortality for heat waves that we expect in southern Europe, but we will notice an increase in summer heatwave mortality.

“I think what the report is telling us really is that the problem is increasing faster than we appreciated before and that the impacts, therefore, are being driven quicker and to a more severe extent,” Sweeney said. 

The overall conclusion is obviously that the developed world can’t take a backseat anymore to the problem because the problem of climate change is now coming home to roost, not just in the developing countries but in the developed world as well.  

The report is the second part of the IPCC’s overall sixth assessment report due to come out later this year. 

Countries have to both adapt to the impacts of climate change and also drastically reduce greenhouse gas emissions, the report emphasised.

Adapting to rising temperatures, rising sea levels and more frequent extreme weather events means changing where we choose to live, how we plan cities and towns and changing our infrastructure by adding nature back into cities, for example. 

Risks in Europe

Temperatures in Europe will rise at a rate exceeding the global average temperature change, the previous IPCC report released last August found. 

The main risks for Europe are water scarcity, flooding, sea level rise and temperature increases and the impacts this will have on people and crops.

Sea level rise “represents an existential threat for coastal communities and their cultural heritage”, especially after 2100, the report released last week said. 

On natural ecosystems, John Sweeney said: “We are already seeing extinctions, we’re already seeing species moving north and moving uphill,”

That’s something that’s irreversible, and the report talks about irreversible losses quite a lot in the context of resilience and so on, but it’s quite clear that the report is making the point that we have forfeited a lot of options because of our inaction.  

“Options for adaptation in particular, that we might have had 10 years ago or now off the agenda. And indeed, the adaptation that we’re planning may not be sufficient in some cases to cope with the extremes that are coming down the line.

“We’re already seeing increases in extremes, especially of floods and droughts, and we can expect to see those becoming enhanced in the years ahead.”

The report also offers solutions – including storing and reusing water, adapting urban planning to manage heat risks and changing farming practices and land use. 

Professor Richard Dawson, one of the lead authors on the report, said that managing the risks of coastal flooding and other climate change impacts are “more feasible” if the global temperature rise does not exceed 1.5 degrees Celsius.

“That is going to be a big challenge, so that would apply to Ireland, the UK and across Europe. This is why it’s really important that we adapt our coastal infrastructure and settlements and also mitigate greenhouse gas emissions,” he told The Journal last week. 

Rising problems

The world has already warmed by 1.1 degrees Celsius above pre-industrial levels. The IPCC said this is expected to reach or exceed 1.5 degrees over the next 20 years. 

Until emissions are curbed and the world is decarbonised, the risks continue to stack up. 

The report said that the number of deaths and people at risk of heat stress will increase two-to-threefold at 3 degrees of warming compared to 1.5 degrees.

The risk of water scarcity would apply to more than one-third of people in southern Europe with a 2 degree rise. The risk would increase for the rest of Europe with a 3 degree rise. 

Similarly, at a 3 degree rise the amount of people impacted by rain and river flooding could double.

Coastal flood damage could increase at least 10-fold by the end of this century, with risks of an increased or sooner increase with current adaptation and mitigation measures.

There is very high confidence that warming will decrease suitable habitat space for land and sea ecosystems and irreversibly change their composition.

Fire-prone areas are also projected to expand in Europe, threatening biodiversity and carbon sinks such as forests and oceans. 

John Sweeney said: “We can’t protect all the coast, and we’re going to have to come to terms with planned retreat in some areas of the coast.

“Mitigation has to be the first and foremost thing and that means playing our part internationally. But it is true that no matter what we do as a small island, a lot will depend on what happens in the rest of the world and so we do need to spend money on adapting for floods especially.” 

Dr Diarmuid Torney, professor at the school of law and government in Dublin City University and co-director of DCU’s centre for climate and society, said the report is a “pretty grim read”. 

“It’s not anything terribly surprising to anyone paying attention to climate change and projections over recent years,” he said. 

Nonetheless having it all captured and distilled into one report and particularly the summary for policymakers makes for pretty grim reading.

“But it does identify pathways forward and a possible response.”  

The co-chair of the working group behind the report said there is a “brief and rapidly closing window to secure a liveable future”. 

Torney said adaptation can often be thought of as something needed for “poorer countries or something for the distant future” but this report makes clear that is not the case. 

“We know from the Climate Change Advisory Council’s annual review last year that they gave the Irish government a pretty poor report card on adaptation. 

Media and civil society and a lot of political system focuses on mitigation and that’s one of the things also that comes through in the report. 

More adaptation measures should be dealt with alongside biodiversity restoration, nature-based solutions and this may be aided by the upcoming biodiversity citizens’ assembly, Torney said. 

Taoiseach Micheál Martin said in the Dáil last week that the report is “very worrying indeed” and that more work is needed to protect Ireland’s ecosystems. 

Tánaiste Leo Varadkar said the report was “stark” and serves as a reminder that Ireland needs to “fully implement” its climate action plan, but also “plan for adaptation”.

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    Mute Gavin Power
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    Mar 7th 2022, 8:38 PM

    Meanwhile in Ireland, we cant cut turf, and are encouraged to drive EVs, as the Russian army moves 160000 troops with diesel, and aviation fuel, and fires missile after missile as Ukraine burns releasing toxic fumes into the air

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    Mute Vonvonic
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    Mar 7th 2022, 8:45 PM

    @Gavin Power: Comments like yours make me realise that we almost certainly won’t solve the climate change problem. We don’t have it in us.

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    Mute Quiet Goer
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    Mar 7th 2022, 9:03 PM

    Make sure you stock up on as much petrol as possible while its at €2+ per litre, the more you pay for it the more you’ll help cool the planet down. For extra planet-cooling effect leave the person behind the counter an extra tenner

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    Mute John Johnes
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    Mar 7th 2022, 9:19 PM

    @Quiet Goer: the mote tax we pay – the less co2 is produced in China! Taxes also cure cancer and allows you to live to a 100 years

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    Mute Paul Gorry
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    Mar 7th 2022, 9:58 PM

    @John Johnes: And if ye pay the higher rate of tax John, ye live even longer. Well said.

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    Mute Ned
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    Mar 7th 2022, 10:38 PM

    More of the same bla bla bla
    The climate change stuff has to take a backseat in the face of the issues facing the world today

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    Mute Joe_X
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    Mar 8th 2022, 12:00 AM

    @Ned: It is one of the bigger issues facing the world today, but not the one with the highest priority due to what is going on in eastern Europe. Another big problem with it is how our government are going the wrong way around in dealing with it, taxing what we do have, to force us to use systems that do not exist properly in the country, instead of getting the proper infrastructures in place for EVs and public transport fhrst, and then offering incentives to get people and businesses to use them. The funny thing is, concerning businesses at least, the infrastructures were there as where the bakery she worked in the late 60′s and early 70′s used electric vans and carts to deliver bread to the shops around Cork city. You can be sure they were not the only ones.

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    Mute Joe_X
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    Mar 8th 2022, 12:04 AM

    @Ned: sorry got a but ahead of myself there. The bakery in Cork was a place my mother worked years ago and they used EVs to get the bread to the shops around the city in the mornings, and the ICE vans did the country side runs

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