FONGAFALE: Tuvalu and its 11,000 people, who live on nine atolls scattered across the Pacific, are running out of time. Fukanoe Laafai would like to start a family. But she is struggling to reconcile her plans with rising sea levels that scientists predict will submerge much of her homeland by the time her children would reach early adulthood. "I think we are about to sink," said the 29-year-old clerical worker. Tuvalu, whose mean elevation is just 2m, has experienced a sea-level rise of 15cm