A study projects that rising sea levels could cause $855 billion in economic losses in Australia by 2100.

What it means

This is a study projecting that sea-level rise driven by climate change could cause $855 billion in economic damages to Australia by the year 2100. The figure likely encompasses costs from coastal flooding, erosion, property damage, and adaptation expenses. The study was reported by Mongabay, an environmental news outlet, which cites a named primary source (the study itself).

Accuracy & sourcesGrounded

The claim is based on a scientific study cited by Mongabay, a reputable secondary source. However, as with all long-term climate projections, the $855 billion figure is a model-based estimate with inherent uncertainties; the exact methodology and scenarios used are not detailed in the highlight.

How new

The article was published in October 2026, making this a genuinely new report.

Go deeper

• Mongabay — first to publish