As global leaders and delegates gather in Dubai for the annual UN climate summit, a new analysis shows how the host cities of previous summits could be inundated — if not entirely submerged — by rising ocean waters. The relentless rise of planet-warming pollution has already resulted in severe droughts, deadly floods and rapid melting of glaciers and ice around the world. And scientists say the steady climb of global sea level will continue for many decades as temperatures crank higher. The analysis from Climate Central, a nonprofit climate research group, illustrates the risk if countries fail to halt the...