This year's powerful El Nino and the record global heat it's driving, along with severe droughts, wildfires and shrinking water supplies, could lead to nearly half a million more deaths worldwide by the end of February, according to a research report released om Wednesday.

This year's powerful El Nino and the record global heat it's driving, along with severe droughts, wildfires and shrinking water supplies, could lead to nearly half a million more deaths worldwide by the end of February, according to a research report released om Wednesday.