Mundaring Weir's last overflow was 30 years ago and may never happen again

The Mundaring Weir overflowed on September 3, 1996, for the first time since 1974, and has not overflowed once in the 30 years since.

Why it mattersShows how climate change and declining rainfall are altering Perth's water security and turning historic natural events into permanent one-offs.

AustraliaPerth's water supply increasingly vulnerable to drought; a once-regular dam overflow has become a 30-year gap with no overflow expected soon.

✓ Claims checked against the source. checked 4 d ago

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Aerial view of coastal town with beachfront residential development and ocean waves.

✓ The Guardian AustraliaPlanet & Environment

267,000 Australian homes at risk from rising seas by 2100

The Climate Council projects more than 267,000 coastal properties will face damage from flooding by end of century.

Why it mattersHundreds of billions in property damage and lost land affects property values, insurance costs, and whether people can stay in coastal areas.