Surfing in / Erosion
Lake Michigan water has risen and fallen, like a living, changing organism, but there is little doubt the combination of rising water and manmade structures has created a problem. Soon, there may be plans to stop the devastating effects of beach erosion, but getting to a consensus on what to do and who should pay for immediate and long-term solutions shifts like the sand beneath dozens of structures along the shoreline.
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Residents of a tiny island village in Alaska that has been ravaged by erosion blamed on climate change have voted to move to the mainland, but there likely isn’t enough money for the impoverished community of just 600 people to follow through on the decision.
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Arresting aerial imagery has revealed both the beauty and instability of Western Australia’s coast, showing properties under threat from the Coral Coast to Perth.
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The Lake Erie peninsula is in danger of breaking in two, despite millions of taxpayer dollars spent trying to preserve it.
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Given the forecast of future sea-level rise over the next century and beyond, every problem that we have along the coast right now will only increase. As sea-level rise advances, the concept of managed retreat is going to become increasingly important in large parts of the country. Managed retreat comes in many forms, in addition to the physical movement of infrastructure.
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A Pacific Northwest oceanfront vacation home located on Rockaway Beach, Oregon, now sits just 8 feet from the edge of the dune. One thing could save it – setting riprap at the base of the bluff – but virtually every one of its neighbors, the city, the state and conservationists all oppose piling up a wall of boulders to deflect the waves.
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Seagrass beds help prevent coastal erosion in a number of ways, including by stabilising sediment in the ocean.
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More than 167,000 hectares of coastland – about 0.6% of the country’s total area – are projected to go underwater in the Philippines, especially in low-lying island communities.
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Although mega dams can have devastating impacts on ecosystems and indigenous communities, many of the world’s poorest countries still see them as a way to fill gaping holes in their energy supplies.
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