Adaptation is to mitigation what Robin is to Batman

Jenny Clark and Theresa Löber

The UK’s climate continues to change, getting wetter and warmer, with extremes becoming ever more pronounced. Even if we limit global warming to 1.5°C above pre-industrial levels, experts warn that we’ll see the number and severity of extreme weather events increase further. Without adaptation, we will see more property, infrastructure and agriculture damaged or destroyed, with devastating consequences to households, communities and businesses – as well as increasing risks to economic and financial stability. To date there has been relatively more focus on mitigation and the transition to net zero than on adaptation and addressing physical risk, across both government and the private sector. Adaptation is mitigation’s sidekick, we need them to consistently work together to achieve better outcomes. Much like Batman and Robin.

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Weathering the storm: the economic impact of floods and the role of adaptation

Rebecca Mari and Matteo Ficarra.

Floods are the most costly natural disaster in Europe. In the UK, they account for around GBP1.4 billion in annual losses. Yet, evidence on the macroeconomic implications is inconclusive. GDP often shows a puzzling delayed response, and prices can be pushed in opposite directions. Using a novel county level data set for England for the years 1998–2021, we estimate the impact of flooding on output and inflation at the sector level. Sectors react heterogeneously to floods, which explains well aggregate evidence. Prices respond in sectors related to both headline and core inflation, which has crucial implications for monetary policy. We further show that investing in flood defences mitigates the economic burden of floods by strongly reducing the risk of flooding.

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