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Articles on Coastal erosion

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The San Pedro Mezquital River is the last free-flowing river in Mexico’s western Sierra Madre. Octavio Aburto

Hydropower dams can harm coastal areas far downstream

Thousands of hydropower dams are under construction around the world. New research shows that by cutting off sediment flow, these dams can have big ecological effects on far-off bays and deltas.
How much should a council pay to protect private beachfront properties? AAP Image/Nearmap

Building sea walls is a small bandaid on a gaping wound

How far will we go to protect high-risk beachfront property? New research suggests local councils are too willing to spend public money to protect private landowners from coastal climate change.
King tides now regularly breach seawalls meant to protect Torres Strait Island communities, and it happened again last week. Suzanne Long/AAP

King tides and rising seas are predictable, and we’re not doing enough about it

King tides and rising seas are an increasing and predictable threat, but adaptation plans to limit the damage to coastal property are still not managing the political obstacles.
The original conflict between development and preservation of natural assets is broadening as the risks of climate change become ever more obvious. Crystal Ja/AAP

Contested spaces: conflict behind the sand dunes takes a new turn

Conflicts over coastal areas have largely been between development and preserving what makes these attractive places to live. Rising sea levels are now complicating our relationship with the coast.
While some councils wish to take a long-term view of what can reasonably be done in the face of sea-level rises, private property owners just want their homes protected. AAP/Dan Peled

Coastal law shift from property rights to climate adaptation is a landmark reform

Many properties are at risk from rising sea levels, with owners and councils at odds over the costs of defending these. NSW law reform may lead to more forward-looking climate change adaptation.
Stack ‘em high: big, health reefs take the sting out of stormy seas. Dennis M. Sabangan/EPA

Coral reefs work as nature’s sea walls – it pays to look after them

Coral reefs: fragile, delicate, and in danger? Actually coral reefs can be the first line in defence against incoming storms, reducing the power of incoming waves by 97%, even during hurricane-force winds…
Coasts are at risk from rising seas, but that risk could be alleviated by coastal ecosystems such as mangroves. Sheep"R"Us/Flickr

How wetlands can help us adapt to rising seas

Instead of costly levees and seawalls, coastal ecosystems could offer an alternative way to protect Australia’s coastal communities from rising seas, saving money and storing carbon along the way. Sea…
The thawing ground gives up its many secrets. Qanirtuuq Collection

Ancient Eskimo artefacts saved from slipping into the sea

Villagers living in the Somerset levels who have been inundated with floodwaters for weeks will be able to sympathise with the difficulties faced by those in the similarly low-lying Yukon-Kuskokwim Delta…

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