The world needs to come together to fight climate change, urged German Foreign Minister Annalena Baerbock on Saturday during a visit to the Pacific island nation of Palau. “The climate emergency is not an isolated crisis. It is the most challenging security issue of our time,” she said during her visit to a place that is one of the worst-affected in the world by climate change. Rising sea levels are raising questions about whether Palau will even exist in a few generations. “But we have to admit that our response as an international community has been insufficient and our support too limited.”…