Final Report: Recommendations of the Task Force on Climate-related Financial Disclosures (June 2017)

TCFD Recommendations Report Launch
The Task Force released its final Recommendations report and supplemental materials on Thursday, June 29, 2017.
The Task Force previously released its draft Recommendations Report in December 2016. The draft report was made available for a 60-day public consultation period. The public consultation period closed on February 12, 2017. A summary of the public consultation findings is available here. Continue reading “Final Report: Recommendations of the Task Force on Climate-related Financial Disclosures (June 2017)”

UK Institute and Faculty of Actuaries warns on climate change financial risks

The Institute and Faculty of Actuaries (IFoA) has today (12 May) issued a Risk Alert to raise awareness around the financial risks posed by climate change. We are asking all actuaries, whichever field they are working in, to consider how the implications of climate change affect their work, actions and decision making.

How reinsurers can absorb the risks of natural catastrophe events – Interview with Denis Kessler

Denis Kessler discusses how the reinsurance industry can effectively manage risk across large-scale natural catastrophes. Recorded at the 2017 Extreme Events and Climate Risk Forum – Scientific Seminar, co-organised with SCOR Foundation and hosted by SCOR. Continue reading “How reinsurers can absorb the risks of natural catastrophe events – Interview with Denis Kessler”

Swiss Re estimates its losses from Cyclone Debbie at approximately USD 350 million

Swiss Re estimates its claims burden from Tropical Cyclone Debbie in Australia at approximately USD 350 million, net of retrocession and before tax. Swiss Re expects Cyclone Debbie to have resulted in a higher share of large commercial and corporate losses compared to similar events in the past. The total insured market losses for wind, flood and storm surge damages are estimated to be approximately USD 1.3 billion.
Tropical Cyclone Debbie made landfall on 28 March 2017 as a category 4 hurricane; making it the strongest cyclone to hit the Australian region since 2015. The eye of the storm came ashore near Airlie Beach on the north Queensland coast, with estimated 10-minute sustained winds of close to 200km/h. The main disaster zone stretched more than 990 km from the point of landfall, reaching northern New South Wales. Within New South Wales, both Central and South Lismore are protected by levees, but in both cases the levees were overtopped, contributing to significant damage.
“This destructive cyclone caused structural damage by flooding, storm surge and wind in regions close to the Queensland coast,” says Matthias Weber, Swiss Re’s Group Chief Underwriting Officer. “We are a lead reinsurer in this market and estimate that Cyclone Debbie has caused higher commercial and corporate losses compared to similar events in the past. We express our sympathies to those affected and will continue to work closely with our partners and clients to ensure that people receive the financial support they need to clean up and rebuild after this tragic event.”
High winds triggered a storm surge and contributed to surface water flooding from large amounts of accumulated rainfall. A peak storm surge of 2.7 meters was measured at Laguna Quays, on the coast of Queensland. Hundreds of residential and commercial buildings were flooded; several thousand residents and business operators were evacuated from the region. The Queensland Farmers’ Federation estimates winter crop losses at 20%.

Notes to editors

About Swiss Re
The Swiss Re Group is a leading wholesale provider of reinsurance, insurance and other insurance-based forms of risk transfer. Dealing direct and working through brokers, its global client base consists of insurance companies, mid-to-large-sized corporations and public sector clients. From standard products to tailor-made coverage across all lines of business, Swiss Re deploys its capital strength, expertise and innovation power to enable the risk-taking upon which enterprise and progress in society depend. Founded in Zurich, Switzerland, in 1863, Swiss Re serves clients through a network of over 60 offices globally and is rated “AA-” by Standard & Poor’s, “A1” by Moody’s and “A+” by A.M. Best. Registered shares in the Swiss Re Group holding company, Swiss Re Ltd, are listed on the SIX Swiss Exchange and trade under the symbol SREN. For more information about Swiss Re Group, please visit: www.swissre.com or follow us on Twitter @SwissRe.
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Cautionary note on forward-looking statements
Certain statements and illustrations contained herein are forward-looking. These statements (including as to plans, objectives, targets, and trends) and illustrations provide current expectations of future events based on certain assumptions and include any statement that does not directly relate to a historical fact or current fact.
Forward-looking statements typically are identified by words or phrases such as “anticipate”, “assume”, “believe”, “continue”, “estimate”, “expect”, “foresee”, “intend”, “may increase”, “may fluctuate” and similar expressions, or by future or conditional verbs such as “will”, “should”, “would” and “could”. These forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause the Group’s actual results of operations, financial condition, solvency ratios, capital or liquidity positions or prospects to be materially different from any future results of operations, financial condition, solvency ratios, capital or liquidity positions or prospects expressed or implied by such statements or cause Swiss Re to not achieve its published targets. Such factors include, among others:

  • further instability affecting the global financial system and developments related thereto;
  • further deterioration in global economic conditions;
  • the Group’s ability to maintain sufficient liquidity and access to capital markets, including sufficient liquidity to cover potential recapture of reinsurance agreements, early calls of debt or debt-like arrangements and collateral calls due to actual or perceived deterioration of the Group’s financial strength or otherwise;
  • the effect of market conditions, including the global equity and credit markets, and the level and volatility of equity prices, interest rates, credit spreads, currency values and other market indices, on the Group’s investment assets;
  • changes in the Group’s investment result as a result of changes in its investment policy or the changed composition of its investment assets, and the impact of the timing of any such changes relative to changes in market conditions;
  • uncertainties in valuing credit default swaps and other credit-related instruments;
  • possible inability to realise amounts on sales of securities on the Group’s balance sheet equivalent to their mark-to-market values recorded for accounting purposes;
  • the outcome of tax audits, the ability to realise tax loss carry forwards and the ability to realise deferred tax assets (including by reason of the mix of earnings in a jurisdiction or deemed change of control), which could negatively impact future earnings;
  • the possibility that the Group’s hedging arrangements may not be effective;
  • the lowering or loss of one of the financial strength or other ratings of one or more Swiss Re companies, and developments adversely affecting the Group’s ability to achieve improved ratings;
  • the cyclicality of the reinsurance industry;
  • uncertainties in estimating reserves;
  • uncertainties in estimating future claims for purposes of financial reporting, particularly with respect to large natural catastrophes, as significant uncertainties may be involved in estimating losses from such events and preliminary estimates may be subject to change as new information becomes available;
  • the frequency, severity and development of insured claim events;
  • acts of terrorism and acts of war;
  • mortality, morbidity and longevity experience;
  • policy renewal and lapse rates;
  • extraordinary events affecting the Group’s clients and other counterparties, such as bankruptcies, liquidations and other credit-related events;
  • current, pending and future legislation and regulation affecting the Group or its ceding companies and the interpretation of legislation or regulations;
  • legal actions or regulatory investigations or actions, including those in respect of industry requirements or business conduct rules of general applicability;
  • changes in accounting standards;
  • significant investments, acquisitions or dispositions, and any delays, unexpected costs or other issues experienced in connection with any such transactions;
  • changing levels of competition; and
  • operational factors, including the efficacy of risk management and other internal procedures in managing the foregoing risks.

These factors are not exhaustive. The Group operates in a continually changing environment and new risks emerge continually. Readers are cautioned not to place undue reliance on forward-looking statements. Swiss Re undertakes no obligation to publicly revise or update any forward-looking statements, whether as a result of new information, future events or otherwise.
This communication is not intended to be a recommendation to buy, sell or hold securities and does not constitute an offer for the sale of, or the solicitation of an offer to buy, securities in any jurisdiction, including the United States. Any such offer will only be made by means of a prospectus or offering memorandum, and in compliance with applicable securities laws.

Swiss Re: Global insured losses from disaster events were USD54bn in 2016, up 42% from 2015

  • Global total economic losses from disaster events were USD 175 billion in 2016, up from USD 94 billion in 2015
  • Insured losses from disasters were USD 54 billion in 2016, up 42% from 2015, and the highest since 2012
  • Earthquakes, storms, flood events and wildfires caused extensive damage across many regions
  • Disaster events claimed around 11 000 victims in 2016

Total economic losses from natural catastrophes and man-made disasters amounted to USD 175 billion in 2016, almost twice the USD 94 billion seen in 2015, the latest sigma study from the Swiss Re Institute says. Global insured losses from disasters were USD 54 billion in 2016, up from USD 38 billion in the previous year. The losses in 2016 – both economic and insured – were the highest since 2012 and reversed the downtrend of the last four years. This was due to a high number of sizable disaster events, including earthquakes, storms, floods and wildfires in 2016, across all regions. Some events struck areas with high insurance penetration, which accounted for the 42% increase in insured losses. That also means that many people in those areas were better equipped to recover from the shock of a disaster, for example with prompt settlement of their insurance claims.
Globally there were 327 disaster events in 2016, of which 191 were natural catastrophes and 136 were man-made. In total, the disasters resulted in economic losses of USD 175 billion, almost double the level in 2015. As in the previous four years, Asia was worst hit in terms of the number of disaster events (128) and resulting economic losses (approximately USD 60 billion). The earthquake on Kyushu Island, Japan in April inflicted the heaviest economic losses, estimated to be between USD 25 billion and USD 30 billion. Worldwide, around 11 000 people lost their lives or went missing in disasters in 2016, down from more than 26 000 in 2015.
Notable increase in insurance payouts in 2016
Global insured losses last year were USD 54 billion, significantly higher than in 2015 and in line with the inflation-adjusted annual average of the previous 10-years (USD 53 billion). Natural catastrophes resulted in claims of USD 46 billion, the same as the 10-year annual average. Insured losses from man-made disasters were USD 8 billion, down from USD 10 billion in 2015.
“In 2016, both economic and insured losses were close to their 10-year averages. Insured losses made up about 30% of total losses, with some areas faring much better because of higher insurance penetration,” says Kurt Karl, Chief Economist of Swiss Re. For example, North America accounted for more than half the global insured losses in 2016. This was largely due to a record number of severe convective storm events in the US, and the level of insurance penetration for such storm risks in the US is high. The costliest was a hailstorm that struck Texas in April, resulting in economic losses of USD 3.5 billion, of which USD 3 billion were insured, so about 86% of losses were covered. Many households and businesses were insured, and they were well covered for the heavy damage to property caused by large hailstones.
A year of disasters across many peril types and all regions
In terms of devastation wreaked, there were large-scale disaster events across all regions in 2016, including earthquakes in Japan, Ecuador, Tanzania, Italy and New Zealand. In Canada, a wildfire across the wide expanses of Alberta and Saskatchewan turned out to be the country’s biggest insurance loss event ever, and the second costliest wildfire on sigma records globally. There were also a number of severe flood events in 2016, in the US, Europe and Asia, and there was Hurricane Matthew, the first Category 5 storm to form over the North Atlantic since 2007. Matthew caused the largest loss of life – more than 700 people died, mostly in Haiti – of a single event.

Table 1 indicates the large opportunity for insurance to help strengthen worldwide resilience against disaster events. The shortfall in insurance relative to total economic losses from all disaster events – the protection gap – was USD 121 billion in 2016. Insurance coverage is not universal. For example, while a high-level of insurance penetration in New Zealand meant that households and business were well equipped to recover from the damage caused by the quake that struck the South Island in October 2016, in Japan’s Kyushu Island only around 20% of the economic losses from the earthquake in April were covered by insurance. And in Ecuador, the quake on the same day in April caused estimated economic losses of USD 4 billion, but insured losses of just USD 0.5 billion. “In many parts of the world, insurance can play a much bigger role in helping households and communities recover from the losses and shock that disasters can inflict”, Karl continues.
Canada burning: buildings and forests destroyed by fire
One area where communities benefitted from having insurance in 2016 were the wide expanses of Alberta and Saskatchewan in Canada, which were engulfed by wildfires from May through to July. This was just one of many wildfires in North America last year, sparked by severe dry weather conditions. It was also the most destructive wildfire, burning many buildings and 590 000 hectares of forest land. Many homes were destroyed and around 88 000 people were evacuated from the impacted areas. Overall economic losses from the fires were USD 4 billion, of which close to USD 2.8 billion (70%) were covered by insurance. Once the evacuation order had been lifted, insurance personnel was given immediate access to the affected regions in order to assist returning residents. There were record payouts by insurers and 68% of all personal property claims had been settled by the end of the year.
Floods in many regions
There were also many severe precipitation events in 2016, which in turn triggered major flooding over large areas. At the end of May and the beginning of June thunderstorms, torrential rain and flooding – river and flash floods – hit France, southern and central Germany and Belgium, leading to combined economic losses of USD 3.9 billion, and insured losses of USD 2.9 billion. In China, there was extensive flooding along the Yangtze River basin in July. The economic losses were estimated to be USD 22 billion, making it the costliest Yangtze River flood event since 1998. Here, however, with low insurance penetration, the insured losses were just USD 0.4 billion.
The US was also hit by floods. There were four separate multi-billion dollar-loss floods in 2016, the worst being the inland flooding of southern Louisiana and Mississippi in August. The topography of southern Louisiana – largely wet and low-lying land through which many rivers run – makes the region vulnerable to flooding. The banks of many rivers burst after extreme rainfall, resulting in widespresad flooding of adjacent areas, and accumulated economic losses of USD 10 billion. In the US, however, flood risk remains critically underinsured, even though much of the country is exposed to flooding. In the case of the Louisiana and Mississippi floods, less than a third of the economic losses – around USD 3 billion – were covered by insurance. This sigma includes a special chapter on the level of under-insurance of flood risk in the US.

Notes to editors

Swiss Re
The Swiss Re Group is a leading wholesale provider of reinsurance, insurance and other insurance-based forms of risk transfer. Dealing direct and working through brokers, its global client base consists of insurance companies, mid-to-large-sized corporations and public sector clients. From standard products to tailor-made coverage across all lines of business, Swiss Re deploys its capital strength, expertise and innovation power to enable the risk-taking upon which enterprise and progress in society depend. Founded in Zurich, Switzerland, in 1863, Swiss Re serves clients through a network of around 80 offices globally and is rated “AA-” by Standard & Poor’s, “Aa3” by Moody’s and “A+” by A.M. Best. Registered shares in the Swiss Re Group holding company, Swiss Re Ltd, are listed in accordance with the International Reporting Standard on the SIX Swiss Exchange and trade under the symbol SREN. For more information about Swiss Re Group, please visit: www.swissre.com or follow us on Twitter @SwissRe.
Accessing data by sigma:
The data from the study can be accessed and visualised at www.sigma-explorer.com. This mobile enable web-application allows users to create charts, share them via social media and export them as standard graphic files.
How to order this sigma study:
The English, German, French, and Spanish versions of the sigma No 2 /2017, Natural catastrophes and man-made disasters in 2016: a year of widespread damages are available on the sigma section: www.swissre.com/sigma
Printed editions of sigma No 2/2017 in English, German, French and Spanish are available. The printed versions in Chinese and Japanese will be available in the near future. Please send your orders, complete with your full postal address, to sigma@swissre.com

The impact of floods in Southeast Asia means new insurance strategies are needed

Southeast Asia is perpetually and increasingly at risk of flooding, with serious consequences for human life and health – not to mention economies and the environment. So now is the time to look for new strategies and solutions in a bid to save lives and avoid spiralling costs.
Statistics show a clear increase in the frequency and severity of flooding in Southeast Asia over the past few decades. According to the United Nations Office for the Coordination of Humanitarian Affairs, 9.6 million people in the region were affected by flooding in 2011, with 5.3 million in Thailand alone. That year, the Thai floods were labelled the worst in 50 years by the National Committee for Disaster Management and the Department of Hydrology.
Then a 2013 report by the Asian Development Bank revealed that in the period from 2000 to 2009, floods and storms caused 1,215 disasters in Asia compared with just 502 in the 1980s. Importantly, figures for geophysical disasters such as earthquakes, tsunamis and volcanic eruptions over the same period stayed roughly the same. So what’s going on? Is this a climate change issue or one of urban development? And most importantly, what can be done by those who are concerned about the situation in Southeast Asia? 
Reassessing our strategies
Anything that costs human life and health costs society. A report by the think tank World Resources Institute revealed that the poorest Southeast Asian countries are particularly at financial risk as a result of flooding. Vietnam has 2.29% of its total GDP exposed to river flooding alone, Cambodia 3.42% and Laos 2.22%.
Vietnam has 2.29% of its total GDP exposed to
river flooding alone, Cambodia 3.42% and
Laos 2.22%.
Across in Indonesia, floods are the most common natural disaster – 97% of disaster events between 2012 and 2014 were hydrometeorological, with floods the most frequent. They are also the most deadly: During the same period floods claimed more lives than any other natural event.
Then there’s the economic impact: The country is hit by flooding to some degree during every rainy season (just last month Indonesia had to contend with more rainfall in a day than it usually sees in a month), and these events hit the economy to the tune of more than USD 2 billion a year.
It’s a similar tale in Thailand where according to a report by the Geneva Association (International Association for the Study of Insurance Economics), the 2011 Thai flood disaster caused losses equivalent to 12% of its GDP – or USD 43bn. Without additional investment, climate change-related floods alone are predicted to lead to average annual economic losses across Asia of USD 500bn or more by 2050 – compared to average annual global flood losses of around USD 30bn between 2004 and 2013.
Insurance against these types of losses is particularly low in Asia. A report by German reinsurer Munich Re found that for every euro loss caused by a natural catastrophe in Asia, only eight cents were covered by insurance between 1980 and 2012 (compared with 40 cents for the US).
If we want to help Southeast Asia stay in control of the health and economic consequences of its current and future flood risk, we need to invest and rethink some of our strategies.
Here are some initial suggestions:
1. Invest in intervention and early warning: Early warning systems can save lives by giving people time to leave potential disaster zones. Investing in them should be a priority. In Vietnam, the Pacific Disaster Center has created VinAWARE. This integrates map data, impact models, rain- and stream-gauge measurements, and meteorological forecasts to provide early warnings and to give the government more time to make important decisions.
2. Invest in community knowledge and health: Many of the disease-related costs during and after a flood can be better managed by educating people on their own personal responsibility (to themselves and others) before and during flood events. Research by the University of Alberta, Canada, shows that such programmes are currently grossly underfunded.
As an example of what can be achieved, the Intermediate Technology Development Group in Bangladesh has concentrated efforts on helping local communities improve housing. Education on raising the foundations of homes, promoting durability by treating building materials, and improving ventilation has all been provided.
Educating local people on the need to maintain sanitation during a flood can also help to reduce the transmission of common post-flood diseases. The most frequently documented disease in the immediate aftermath of a natural disaster is diarrhoea – responsible for 40% of deaths in disaster and refugee camp environments. In most cases, its spread can be greatly limited simply through basic hygiene practices – regular hand-washing and ensuring the cleanliness of cooking and eating utensils, for example.
Educating local people on the need to
maintain sanitation during a flood can also
help to reduce the transmission of
communicable disease and outbreaks such as
diarrhoea.
Leptospirosis – a bacterial infection which elicits flu-like symptoms – is another disease which commonly spreads after heavy floods. Again, the spread of this disease can be greatly controlled if those in disaster-affected areas know what precautions to take. For example, adequate wound dressing and cleaning can go a long way in preventing an outbreak.
The WHO has already put initiatives in place to educate flood-affected communities on such measures – including teaching basic first aid to limit the number of exposed wounds and making sure the poor are properly vaccinated. This can also reduce infection rates and therefore the impact and cost on healthcare systems.
3. Close insurance gaps: The risk of flooding is a difficult thing to insure against and something many cannot afford. As the Economist has pointed out, tsunamis and cyclones do not seem a close enough threat to acknowledge on a day-to-day basis, even if the poor could afford the premiums. However, Southeast Asian governments could take note of what is happening around the rest of the world. Risk-pooling, whereby governments set up a multi-country, disaster-relief insurance, is a growing phenomenon, with the Caribbean Catastrophe Risk Insurance Facility a prime example. Started by the region’s governments, donors and experts from the World Bank, it provides rapid, short-term liquidity to a government affected by an earthquake or hurricane to provide relief to healthcare systems and local communities. This is contrary to traditional indemnity insurance, which takes far longer to pay out because payments are based on confirmation of a loss. 

4. Be proactive during each flood stage: By understanding the three key stages – before, during, and after the flood – we can reassess our risk and disease-management strategies. Before the flood, in the panic of moving to safer ground, there can be minor injuries which later become infected by contaminated floodwater. During the flood there is an immediate increase in physical injury and mortality. From this point on, communicable disease becomes a much greater problem. After the flood, many people are left homeless and malnourished. There is also of course the impact on mental health for those surviving such traumatic experiences. 
A time for new ideas
A recent study in the journal Nature noted that, on a global scale, we can blame climate change many of the flooding problems we are seeing, but hone in on Southeast Asia and the story is more complex. A much bigger contributor to flooding here is caused by rapid socio-economic growth. Simply put, uncontrolled and unplanned urban development is raising the risk of floods, and the impact could be devastating. Estimates for Thailand alone suggest the annual costs of flooding may reach USD 22.5bn by 2030.
“Estimates for Thailand alone suggest
the annual costs of flooding may reach
USD 22.5bn by 2030.”
Given what we know about the growing prevalence and health risks of floods, governments, communities and insurance companies in Southeast Asia appear to be in sleepwalk mode.
The reality is that our knowledge of what can be done is high but ideas about how to afford and implement them are low. However, given predictions for climate change and other factors that will increase flood risk in vulnerable communities, no time should be wasted in devising innovative new strategies and solutions that will help to save lives, avoid health disasters and ultimately save millions of dollars.
author.jpg
About the author
John Le Boeuf, Founder and CEO of Cynergy Care
John Le Boeuf is the founder of Cynergy Corporation and has served as President & CEO of the various Cynergy companies since 2002. With a solid two decade senior management experience with key international and US managed health care companies, John has worked with market-leading companies such as Blue Cross Blue Shield, Mutual of Omaha Companies, and Cigna Health Care.

WRMA to Hold Weather Risk Symposium as Official Supporter of InterMET Asia

Washington, DC (Monday, February 6, 2017) – The Weather Risk Management Association (WRMA) will hold a half-day Weather Risk Management Symposium on March 21, 2017 in conjunction with the 2017 InterMET Asia – Extreme Weather Expo Conference in Singapore.
As an official supporter of the InterMET Extreme Weather Expo Conference, WRMA has compiled an impressive lineup of industry experts to provide attendees a complete treatment of the weather risk industry. The WRMA Weather Risk Management Symposium will begin with an introductory session for those less familiar with the industry, to lend context as to how weather challenges a wide spectrum of businesses whose revenues, costs, and financial performance are sensitive to weather.
“The weather risk management market is positioned at the intersection of the financial engineering and scientific communities,” said Bradley Hoggatt, MSI GuaranteedWeather, WRMA President. “The WRMA symposium is a chance for those in our industry as well as related industries to hear from and engage with weather risk experts.”
The sessions will address key drivers that have shaped the marketplace, predictions regarding future products, and required supporting data and analytics. Speakers will utilize illustrative case study examples to provide perspective and generate discussion as to how new data sources and modelling techniques can facilitate increased hedge effectiveness and uptake of weather risk management products.
Topics and speakers on the agenda for the WRMA Weather Risk Management Symposium include:
•    “Weather Risk Management: The Confluence of Weather/Climate Science and Financial Engineering” – Brad Hoggatt, MSI Guaranteed Weather
•    “Case Study 1: Managing Weather Risk in the Energy Sector” – Richard Betts, Uniper Global Commodities and Ralph Renner, Endurance Re
•    “Case Study 2: Weather Risk Management in the Agriculture Sector Including Applications for Natural Catastrophes” – Sandeep Ramachandran, Axis Specialty Markets Ltd, and Jonathan Barratt, CelsiusPro Australia
•    “Case Study 3: Management of Weather Risks in Other Industry Sectors” – Ralph Renner, Endurance Re,  Claire Wilkinson, Willis Towers Watson, and   Richard Zhang, Willis Towers Watson
•    “Technology: Accessing Weather Risk Protection”– David Whitehead, weatherXchange
Download the WRMA Symposium Programme >>
Registration for the free-to-attend WRMA Symposium can be completed via the InterMET Asia website >> and click ‘Register for the Exhibition’.
For more information on the Symposium visit WRMA’s event page >>
For details about the full InterMET – Extreme Weather Expo conference programme, click here >>
About WRMA
WRMA is the industry association for weather risk management professionals. WRMA strives to enhance public awareness of the weather risk industry and promote the growth and general welfare of the weather risk market. For more information on WRMA activities, programs, and initiatives, please visit us at www.wrma.org

Turbulence expert reveals cost of climate change to aviation insurers

Climate change could hit insurers by making plane journeys bumpier, a University of Reading scientist has told an audience of leading insurers.
The Insurance Institute of London lecture at Lloyds of London on Wednesday 18 January, was attended by the City’s leading insurance players including CEOs, managing directors, brokers, underwriters, and lawyers.
Atmospheric scientist Dr Paul Williams, a Royal Society University Research Fellow, told the audience in Lloyds’ Old Library about the likelihood of increased turbulence and more extreme weather.
Research by Dr Williams has shown that planes travelling from Europe to North America could face an increased chance of hitting turbulence by as much as 170% later this century. This is because climate change will strengthen instabilities within the jet stream – a high-altitude wind blowing from west to east across the Atlantic Ocean. The turbulence could also be up to 40% stronger.
Diverting around the additional turbulence has the potential to lengthen journeys and increase fuel burn, which could add to ticket prices and also contribute to climate change, completing a vicious circle.

“Increased turbulence and flight times could have a knock-on effect on passengers and the aviation and insurance industries”

Dr Williams said: “The aviation industry is facing pressure to reduce its environmental impact, but our work has shown how aviation is itself susceptible to the effects of climate change.
“Increased turbulence and flight times could have a knock-on effect on passengers and the aviation and insurance industries.”
Dr Williams’ work is part of a wider body of research by University of Reading experts into the interaction of aviation and atmospheric physics.
For example, research by Professor Keith shine and Dr Emma Irvine has shown that condensation trails, or contrails, formed behind aircraft flying at high altitude, can also add to global warming by adding to cloud cover, which prevents heat from escaping Earth’s atmosphere.
Researchers at Reading have also been central to efforts to study the spread of volcanic ash in the upper atmosphere. Their work helped to aid the safe resumption of flights after the grounding of all UK air traffic following the eruption of a volcano in Iceland in April 2010.
Watch Dr Williams explain why turbulence could increase in this video.
Find out why flights to the US could take longer in this video.