More than 4,000 citizens of the small Pacific nation of Tuvalu, equivalent to 42 percent of the population, have applied for a landmark climate visa to migrate to Australia as rising sea levels threaten their home, according to official figures.The climate migration visa program offered by Canberra allows up to 280 Tuvalu citizens to migrate to Australia each year under a treaty signed by the two countries in 2023, dubbed the "Falepili Union."With an estimated population of just 9,600, Tuvalu could be depopulated in 35 years at that rate.Lying at an average elevation of just 2 meters above …READ FULL ARTICLE