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Preparing for a changing climate

Average air temperature

We are seeing the impacts of climate change in Jersey. The weather is generally warmer and wetter and sea levels are rising in line with global trends. The graph below shows a clear increase in Jersey air temperature over the past 100 years.

Jersey will need to adapt to become more resilient to the effects of the changing climate. A lot of work is already underway to protect Jersey both in the short and long term.

Flooding and coastal management

Rising sea levels and more rainfall will increase the risk of flooding in some areas of Jersey. We are working to reduce this risk both along our coastlines and inland.

Our existing sea defences and drains protect us from flooding during storms, high tides and heavy rainfall.

In June 2018 we started work to make sure that current defences will continue to protect our Island over the next 100 years. We are using climate change predictions to identify areas that will be at risk from flooding. We will then be able to make changes to ensure these areas are protected.

In February 2019 we updated local stakeholders on the work that has been completed so far.

Preparing for climate change impacts presentation 

We will be carrying out a public consultation on a range of flood risk management options in summer 2019. For example, management options for areas at risk of flooding could include:

  • raising sections of sea wall
  • increasing housing standards for new builds in the area
  • doing nothing

We will want Islanders to tell us what options they think will or won’t work for Jersey. The results will feed into the creation of an action plan in late 2019. The action plan will be used to develop detailed flood management schemes for specific areas which are at higher risk of flooding.

Flood risk information will also be used as part of planning policy and the Island Plan review in 2019.

To be kept informed about this project and the consultation, email us.

Updates will also be posted on social media.

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