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It is hard to gauge the exact extent of the local devastation caused by climate change because severe flooding and catastrophic river erosion are part of every day life in rural Bangladesh. But the island of Aralia, in the Haor flood plain of north-east Bangladesh has, in the past 50 years, diminished to a fifth of its size, according to its older residents Ask anyone over 40 about the island of their childhoods and they describe fertile fields, green trees and animals, an island of plenty, where children grew up healthy and went to school. Today, Shamola's misfortunes are becoming the norm as flooding and river erosion become ever more common. Non-government agencies working with Bangladesh's poor, as well as scientists throughout the world, are convinced that climate change is to blame for the dramatic increase in this flooding.
With a population of 150 million, Bangladesh is the world's most densely populated country. A series of straddling deltas of some of the world's biggest rivers, Bangladesh is at risk not only from rising sea levels, but the increased flow of water caused by more rain and glacial melt from the Himalayas. At this rate of flooding and erosion, 20 per cent of Bangladesh could be under water by 2100. All this despite the average Bangladeshi using just one tenth of the carbon emissions of any European, and one 25th of the average citizen of the United States.
And the people whose lives are most catastrophically affected by this flooding and erosion are, inevitably, the poorest and most vulnerable. As Nazmul Chadhury, of the UK's Practical Action, says: "Forget about making poverty history; climate change will make poverty permanent.'' Climate change may not immediately cause life-threatening catastrophe for the very poor and vulnerable, but when you visit Shamola and her neighbours on the island of Aralia you see that they are, statistically, inextricably linked. Shamola lives with her remaining five children, all under 12, in her aunt's one-room house. The room measures about two by four metres, and it's impossible to imagine what feat of geometry enables five children and three adults to sleep here at night. But somehow they do. Shamola's mother, Aysha Begum, says that the island was once a good place for a family. "There was no poverty or hunger," she says. "We were healthy and strong. We ate milk and butter."
Everything began to change about 20 years ago, after the l988 flood virtually wiped out the entire population of the island. Then, in 2004, many people who had rebuilt their lives on the island lost their homes. "That's where our house used to be," says Shamola, pointing into the muddy waters, quite close to the mangrove swamp where her son is buried. In the past 20 years, she adds, the flooding has become more extreme and the island was continually eroded. At the same time, sickness has increased among the old and young. Poor diet is one reason for the increased sickness; a sanitation system collapsing under the numbers who use it is another. The islanders use "hanging" toilets, perilous contraptions made from bamboo which hang from the backs of houses, like "long drops", over the water's edge. Cholera, typhoid, severe gastric problems, conjunctivitis, blindness and stunted growth are some of the many health problems derived from malnutrition and appalling sanitation.
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http://news.independent.co.uk/environment/climate_change/article2458848.ece