FUNAFUTI, Tuvalu — Veu Lesa, a 73-year-old villager in Tuvalu, does not need scientific reports to tell him that the sea is rising. The evidence is all around him. The beaches of his childhood are vanishing. The crops that used to feed his family have been poisoned by salt water. In April he was evacuated when a king tide flooded his home, showering it with rocks and debris. For Tuvalu, a string of nine picturesque atolls and coral islands, global warming is not an abstract danger; it is a daily reality. The tiny South Pacific nation, only 4m above sea level at its highest point, may not exist in a few decades. Its people are already in flight; more than 4,000 live in New Zealand, and many of the remaining 10,500 are planning to join the exodus. Others, though, are determined to stay and try to fight the advancing waves. The outlook is bleak. A tidal gauge on the main atoll, Funafuti, suggests the sea level is climbing by 5.6mm a year, twice the average global rate predicted by the UN’s International Panel on Climate Change (IPCC). There is not enough data yet to […]