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The role of national laws in managing flood risk and increasing future flood resilience

Flood risk is increasing across the world due to climate change and socioeconomic developments. With it, flood risk sciences and understanding of risks and drivers are advancing. However, the overall governance of flood risk remains a highly reactive process. This paper explores the role of national laws in determining the nature of flood risk management (FRM) and in particular the ability to increase flood resilience in the context of climate change. There is still very little evidence on the role of national legislation in enabling or hindering decisions and actions to build flood adaptation and resilience. The paper seeks to address this knowledge gap. The analysis shows that around the world law-making for flood risk is reactive and lacks consideration of future risks. Yet the predicted impacts of climate change call for ex-ante, pre-event and proactive policymaking and governance to be considered in the legislation-making of countries. The authors therefore call for a shift in FRM away from post-event activism towards forward-looking planning through an anticipatory resilience approach. The authors explain that with a shift to anticipatory action being difficult for many reasons, laws could play an important role in facilitating this adjustment. For example, laws could require flood risk assessments to consider current and future risks and resilience levels, or set out how climate change trends need to be taken into account when making infrastructure or land-use decisions. The authors state that this is particularly important in the context of so-called slow-onset changes, such as sea-level rise and coastal erosion, which require decisions about pre-emptive resettlement or managed retreat that are likely to be politically difficult and unpopular.
Author: Mehryar, Sara; Surminski, Swenja
Language: English
Pubished By: London School of Economics and Political Science
Pubished date: March 2020

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