Articles on Coastlines

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Western sandpipers migate along the Pacific coast of the Americas, travelling thousands of kilometres every year between their breeding and non-beeding grounds. (Jason Puddifoot)

Rising seas threaten the world’s migratory shorebirds

Shorebirds undertake some of the world’s most impressive migrations — but as sea levels rise, the habitats that they depend on are expected to shrink.
An aerial view of Cape Town city. GettyImages

Cape Town’s sewage treatment isn’t coping: scientists are worried about what the city is telling the public

Current science communications in Cape Town are not serving the public well.
Artist’s conception of what a structure to support floating mangroves would look like. Aptum Architecture/CEMEX

Ocean forests: how ‘floating’ mangroves could provide a broad range of ecological and social benefits

Mangrove forests are shrinking due to human activities, yet they’re essential for shoreline protection and carbon sequestration. Ongoing research explores the concept of “floating” mangrove forests.
A motorist stops to survey the damage to a washed-out roadway near McKay Section, N.S. on July 23, 2023. A long procession of intense thunderstorms dumped record amounts of rain across a wide swath of Nova Scotia, causing flash flooding, road washouts and power outages. THE CANADIAN PRESS/Darren Calabrese

Flood risk mapping is a public good, so why the public resistance in Canada? Lessons from Nova Scotia

Public concerns for real estate value, and a focus on the self, make flood risk maps unpopular. However, these concerns should not dissuade governments from providing resources we can all trust.
In 2022, California built an emergency drought barrier across the West False River near Oakley to protect against saltwater intrusion. AP Photo/Terry Chea

What is seawater intrusion? A hydrogeologist explains the shifting balance between fresh and salt water at the coast

Saltwater intrusion is bad for human health, ecosystems, crops and infrastructure. Here’s how seawater can move inland, and why climate change is making this phenomenon more frequent and severe.

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