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Climate change and insurance - Expert Reaction

Climate change and insurance - Expert Reaction
28 April 2017


The extent to which climate change threatens New Zealand's coastal housing will depend on insurance options available to homeowners, according to a new report.

Insurance, Housing and Climate Adaptation - commissioned by the Deep South National Science Challenge - investigates the different challenges climate change will present to homeowners, insurers and government.

Possible policy solutions suggested in the report include longer-term insurance and developing rules for local government to handle at-risk properties.

The SMC gathered expert reaction to the report, please feel free to use these comments in your reporting. The report, prepared by Motu Economic and Public Policy Research, is available here.

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Professor Ilan Noy, Chair in the Economics of Disasters, Victoria University of Wellington, co-author of the report, comments:

"The report aims to highlight the need for a lot more research on this issue of sea-level rise and insurance of residential properties.

"At some point in the future (time unknown), there are going to be thousands of properties (number, location and total value unknown) which will no longer be insurable by the private insurance companies.

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"This may happen gradually or suddenly in response to a big event in New Zealand or elsewhere.

"Some precedents from here and abroad suggest the government may step into this market to replace the private insurers, but we don’t know whether and how that will happen (nor whether it should or what is the optimal way for that to be designed). We also don’t know how the costs will be allocated across the different levels of government.

"Alternatively, if the government does not intervene, the cost is likely to be borne mostly by the owners whose properties will not be marketable anymore (though some costs may still be borne by Crown institutions like the EQC). There might also be legal developments that may change this allocation of costs (as was the case with, for example, the Leaky Homes issue).

"So, my first emphasis would be that this is likely to be a very chaotic transition, and it would be good to understand it better, to quantify the many unknowns, and prepare for it.

"My second is that, potentially, we can prevent this chaotic transition, and the earlier we design policy and legal tools to do that, the easier it is going to be to enact them."


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Dr Jim Salinger, climate scientist and Honorary Research Fellow, University of Otago, comments:

"This is a very important topic as 12 of 15 of New Zealand's largest towns are at or near sea level thus at high risk from sea level rise. This is exemplified by the Dunedin floods of June 2015. Two other cities are on major rivers prone to flooding.

"Major decisions are required in coming years on whether central and/or local government protect, adapt or retreat from areas prone to sea level rise and flooding.

"The costs of protection are phenomenal. A national strategy is required because of the land and housing at risk from storms and flooding.

"In the Netherlands, due to the proportion of land at risk from sea level rise, a national strategy has been developed for coastal adaptation. The government of the Netherlands will not provide protection for new development in high-risk areas.

"Relocation requires abandoning areas prone to flooding or sea level rise; adaptation requires changing housing and infrastructure and coastal zone plans; and protection requires extending flood protection barriers and stop banks.

"Because of the magnitude of costs, and potential ability not to be able to cover with insurance, a national policy statement developed between central and local government is required to set policy on storm risk and flooding, especially due to sea level rise.

"In the UK, policies and law have been developed that set out how the authorities should manage the risks of flooding and coastal erosion. Consistent responses have been developed. A national flood and coastal erosion risk management strategy has been established that sets out flood and coastal erosion risks, a national framework for flood risk management, and the roles and responsibilities for various authorities.

"Local solutions for flood risk have been developed as well as the funding of work on flood risk management. All this is required for New Zealand."


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Dr Judy Lawrence, co-chair of the Government's Climate Change Adaptation Technical Working Group, comments:

"This new paper clearly sets out the challenges for addressing coastal hazards compounded by sea level rise and storm surge. Adaptation to these challenges will involve how insurance markets, financial markets, alongside EQC operate together.

"They can either transfer risk to the Crown or private property owners, or work in tandem to reduce the exposure to risk and deal with the legacy effects of past decisions at the coast and on floodplains.

"The report is an important input to the work of the Climate Change Adaptation Working Group whose stocktake of adaptation action to date is due to be reported to the Minister for Climate Change Issues at the end of May 2017.

"Insurance and finance are two parts of the adaptation policy landscape that will need to provide signals that reduce exposure and thus risk over the long term. This is preferable to insulating private and public decisions from the reality of climate change impacts which would increase the cost burden on individual home owners and the taxpayer.

"The report thus puts the spotlight on the role that insurance and the finance sectors might play in the ongoing response to climate change impacts. The six high priority research questions identified will enable the Deep South Challenge to focus its attention on the issues that are relevant to decision makers."

ends

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