CNN  —  Citizenship of Nauru, an island nation spanning just 8 square miles in the southwest Pacific Ocean, can be yours for $105,000. The tiny, low-lying island has launched a “golden passport” initiative with the aim of raising money to fund climate action . Nauru faces an existential threat from rising sea levels, storm surges and coastal erosion as the planet warms. But the world’s third smallest country lacks the resources to protect itself from a climate crisis disproportionately driven