Climate Central: Even though the year is only halfway over, a series of warm months -- including the warmest May on record, announced Monday -- paired with a brewing El Nio, have set one question circulating: Could 2014 take over the title of the warmest year on record?
It's possible, experts say, but the No. 1 ranking is far from guaranteed, as the effects of an El Nio -- an event that can raise global temperatures -- on temperature may not fully emerge until the winter.
"I agree that 2014 could well be...