They then combined this with additional datasets for elevation, tidal activity and the likelihood of coastal flooding. Climate Central said that they collated peer-reviewed data from scientific journals and plots it on an interactive world map. The data is based on a scenario of moderate cuts to pollution, with even more areas covered in red if climate change continues unchecked. The map allows users to explore coastal flood risk and sea level rise projections by decade for anywhere in the world. Parts of Porthmadog and much of the land to the north, which was previously underwater before the building of the Cob, could also be reclaimed by the sea.Ĭlimate Central say they created an interactive map to show what areas are particularly under threat. Things look little better in the north of Wales. Pwllheli and coastal communities on Anglesey’s west coast are also set to find themselves in much greater danger of flooding. Llanbedr airfield could find itself submerged, and communities such as Machynlleth and Harlech could find the coast becoming much nearer. Low-lying Borth and Ynyslas on the Ceredigion coast are also in danger, as well as Llandudno. In the north of Wales, Llandudno, Prestatyn, Rhyl, Shotton and Queensferry are vulnerable. The findings are based on a predicted global temperature rise of two degrees, and follow the IPCC report earlier this week which showed that a rise of 1.5C was now almost inevitable.Īccording to the recently updated map by Climate Central, a US-based climate science news and analysis firm, large parts of Cardiff, Newport and lower-lying parts of Swansea, Port Talbot could be hit by catastrophic flooding within the next 29 years. A special map has been produced to show the effect of climate change on the world of predicted rises in sea levels by 2050 – and it shows many Welsh cities and communities underwater.
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