Circle of Blue: In the urgent campaign to cut carbon emissions and curb global warming, perhaps the most poignant call to action are images of rising sea levels gnawing away at isolated, low-lying Pacific islands where citizens could lose their countries. But long before the last scraps of land succumb to the great ocean, fiercer storms brought on by climate change could hobble the health infrastructure of island nations and exact a steep toll in human lives, according to a study published this week in the American...