By MALLIKA SEN, Associated Press NEW YORK (AP) — Presaging “hundreds of millions” of climate change refugees, Turkey's president said Tuesday at the U.N. General Assembly that the world needs to find a way to contend with its existing refugees who are fleeing conflict. Recep Tayyip Erdogan has warned that Turkey, which he says “embraces close to four million Syrians,” cannot take in any more migrants.