Tuvalu, the South Pacific island nation, is in danger of vanishing under the sea. The islanders believe it is due to climate change caused by global warming.
This film explains what global warming is and why environmentalists say it will cause flooding, not only in Tuvalu, but all over the world - including the UK.
The inhabitants of Tuvalu believe they are seeing global warming in action. Rising seas and violent storms are destroying their islands, swamping their crops.
The Tuvalu government is now suing the US and Australian governments for failing to control the levels of greenhouse gasses they emit. Meanwhile, many islanders are abandoning their country to live in New Zealand.
But some scientists doubt that global warming is the root of the problem. Instead they argue the storms are caused by short term changes in the weather and there's no real rise in sea levels. Other scientists are sceptical of the dangers of global warming and claim burning carbon dioxide actually brings a net benefit to the world. But meanwhile in Tuvalu, the waters are still rising¡
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