Reuters: THE islanders of Tuvalu could lose their homes and much of their land in the coming decades. But the world has yet to figure out how it will deal with them, and millions of others, who may be displaced by climate change. It’s a problem with immediate resonance in the nine tiny Pacific islands that make up Tuvalu. The group of atolls and reefs is on average barely two metres above sea level. The United Nations climate panel estimates that oceans will rise by 18cm to 59cm by 2100. This, …