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Seòmar agus comataidhean

Official Report: search what was said in Parliament

The Official Report is a written record of public meetings of the Parliament and committees.  

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Dates of parliamentary sessions
  1. Session 1: 12 May 1999 to 31 March 2003
  2. Session 2: 7 May 2003 to 2 April 2007
  3. Session 3: 9 May 2007 to 22 March 2011
  4. Session 4: 11 May 2011 to 23 March 2016
  5. Session 5: 12 May 2016 to 4 May 2021
  6. Current session: 13 May 2021 to 25 December 2025
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Displaying 2692 contributions

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Net Zero, Energy and Transport Committee [Draft]

Adapting to the Impacts of Climate Change

Meeting date: 18 November 2025

Mark Ruskell

It is a big change.

Net Zero, Energy and Transport Committee [Draft]

Adapting to the Impacts of Climate Change

Meeting date: 18 November 2025

Mark Ruskell

You used quite unemotional language there, but if anybody sits back and thinks about what that would actually mean for people, nature and the entire global community, they will realise that it is a vast impact.

It is interesting that the CCC has moved away from a tightly constrained discussion about 2°C and 1.5°C and towards starting to think about tipping points. I guess that your advice is that policy makers should start thinking about the world that we would live in post a tipping point such as the collapse of the north Atlantic conveyor and a completely fundamental shift in our climate, which would effectively be unprecedented.

Net Zero, Energy and Transport Committee [Draft]

Adapting to the Impacts of Climate Change

Meeting date: 18 November 2025

Mark Ruskell

I can see that you are trying to continue to keep us motivated so that we do not catastrophise and ask, “What is the point because we cannot make any progress?” The change is coming anyway as we edge towards 1.5°C and beyond.

As policy makers, how should we be looking at, for example, flood defences and investment in Scottish Water over the next 10, 20 or 30 years? What scenario should we be preparing for at this point? Is it about saying that we think that the change will be about 1.6°C or 1.7°C and therefore we should be upgrading our flood mitigation measures along that line, or should we be looking at potentially far greater increases? How do you pitch that? There is an immediate investment programme—I think that the one for Scottish Water will be for the next five years—but how should policy makers and investors look at the longer-term investment in infrastructure, bearing in mind what might come? It would be irresponsible not to consider that outcome.

Net Zero, Energy and Transport Committee [Draft]

Adapting to the Impacts of Climate Change

Meeting date: 18 November 2025

Mark Ruskell

I want to stay on flooding and on the investment issue. We have had evidence from Audit Scotland that the costs of the major flood management schemes—the concrete schemes, I guess you could call them—have trebled over the past decade. Bearing in mind what you said earlier about the potential impacts, in particular if we start looking at going beyond an increase of 2°C, is that balance right at the moment? Is there a need to think again about preventative measures, nature-based solutions and catchment management?

At the moment, it feels as though a blend of solutions emerges. We try not to build on the carses and the meadows if we can, although housing developments still happen. There is a nod to nature-based solutions within catchment management, but it never feels as though they become a major part of our approach to flood mitigation. Given the spiralling costs, what do the future options look like?

Net Zero, Energy and Transport Committee [Draft]

Adapting to the Impacts of Climate Change

Meeting date: 18 November 2025

Mark Ruskell

Is it a concern that the baseline keeps shifting, though? For example, the flood defence scheme that was built in Brechin was originally designed to deal with a one-in-50-years event. Now the figure has changed to a one-in-20-years event. Is there not an issue there with the assessment of risk changing and that what we would design for a relatively commonplace event is now being blown out of the water, quite literally?

Net Zero, Energy and Transport Committee [Draft]

Subordinate Legislation

Meeting date: 18 November 2025

Mark Ruskell

I am content that the instrument would align us with some of the international conventions on mercury, which are about protecting human health and the environment. However, I would like the UK Government to go further and align with the European Union, particularly on areas such as the use of mercury, amalgam in dentistry and sodium lights, and a range of other areas. It would be useful to get the Scottish Government’s view on whether it wants to work towards alignment with the EU in relation to mercury-added products. If so, I would like to know how it is working on a four-nations basis with ministers from across the UK to achieve that, and by when.

Net Zero, Energy and Transport Committee [Draft]

Adapting to the Impacts of Climate Change

Meeting date: 18 November 2025

Mark Ruskell

The goal of the Paris agreement is to keep well below 2°C, and even then there will be a significant global impact. Quite frankly, I am horrified at what you are saying about 3°C, and even the prospect of 4°C. It is easy for these numbers to slip off the tongue, but can you say in a nutshell what 4°C would mean globally?

Net Zero, Energy and Transport Committee [Draft]

Adapting to the Impacts of Climate Change

Meeting date: 18 November 2025

Mark Ruskell

Do you think that the Scottish Government’s current infrastructure investment plan recognises that scenario of 3°C or 4°C? Is that baked into it?

Net Zero, Energy and Transport Committee [Draft]

Adapting to the Impacts of Climate Change

Meeting date: 18 November 2025

Mark Ruskell

You inspired me, convener. Richard Millar, the CCC puts forward different pathways. You have a balanced pathway and a high ambition pathway. Given what you have said about 3°C and 4°C, should we not be going for the high ambition pathway? Given the threats that you have outlined today, the tipping points and the catastrophic impacts of potentially going above 2°C, should we not be going for a higher ambition rather than balancing things out?

Net Zero, Energy and Transport Committee [Draft]

Adapting to the Impacts of Climate Change

Meeting date: 18 November 2025

Mark Ruskell

What would that mean for the UK?