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During big spring tides, seawater simply bubbles up through the ground. |
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In 2006, the islanders experienced their highest tides ever. |
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These islands could soon become uninhabitable. |
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The seawater is poisoning the soil and groundwater. |
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Eventually, the islands may have to be evacuated. |
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This would be an unprecedented move, an entire nation relocated. |
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So the ocean is threatening its islands, thanks to global warming. |
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And yet, the Pacific is playing a massive part in slowing down climate change. |
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The world's oceans have absorbed about half of all the carbon dioxide released so far into the atmosphere by industry, |
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significantly reducing the greenhouse effect. |
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But there's a catch. |
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For the fish, all that extra carbon dioxide in the water can have some,unwanted side effects. |
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All life in the Pacific is dependent on the tiniest of creatures, the plankton that floats freely in the currents. |
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One of the most plentiful is the sea butterfly, a tiny marine snail, which uses its enlarged foot to fly through,the water. |