Melting stages urge climate change action

Vicki Van Hout performs on an iceberg suspended above Sydney Harbour.
Vicki Van Hout performs on a 2.7-tonne iceberg suspended above Sydney Harbour. -AAP Image

Watching ice melt is not most people's first idea of art - or even entertainment - but suspended 2.7-tonne chunks of frozen water dripping into Sydney Harbour this weekend have higher hopes than mere artistic expression.

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