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Rebuilding New Orleans' natural defences

The fabric of marshes that once defined the Louisiana coastline and shielded the city had been stripped away – some call for their return

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Editorial: Disasters are always in the making

Opinion

The day New Orleans' luck ran out

Earth

The day New Orleans' luck ran out

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Earth

The water recedes in New Orleans

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Gauging the health crisis in Katrina's wake

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Majority of New Orleans evacuation complete

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New Orleans struggles in wake of deadliest hurricane

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Risk of West Nile virus grows in Katrina's wake

News

Army trying to plug New Orleans' broken defences

Earth

Army trying to plug New Orleans' broken defences

News

Satellites spot hot towers' in Hurricane Katrina

Earth

Satellites spot hot towers' in Hurricane Katrina

Images of the devastating hurricane's development show huge clouds that may be linked to increases in ferocity, say NASA

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Earth

Hurricane Katrina devastates US Gulf states

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Earth

Hurricane floods may boost West Nile virus

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Hurricane rattles shuttle's fuel tank factory

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Hurricane Katrina roars into Louisiana

News