New seawalls also protect low-lying atolls in Tuvalu, and more will appear in Kiribati, Tonga, Solomon Islands, Fiji and other island nations, many with funding from the Australian government and international development organisations.
They're a source of hope for countries grappling with sea level rise - which scientists say will continue even if the world limits global temperature rises to 1.5C above pre-industrial times.
For the full story, go to RNZ News.
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