Along 5,000 kilometres of Australian coastline, the question has shifted from whether flooding and erosion will come to how communities will meet them. A landmark digital mapping effort — the first of its kind in the country — has given governments and councils a shared, consistent picture of hazard exposure, replacing a patchwork of incompatible local studies with a common foundation for decision-making. With 1.4 million properties already in flood-prone zones and annual costs approaching $400 million, this work is less a technical exercise than a civilisational reckoning with a shoreline tha
Australia maps 5,000 km of coastline to tackle flooding and erosion risks
1.4 million Australian properties and 320,000 businesses and homes are at risk of flooding and coastal inundation, threatening communities and livelihoods.