Contra Costa Times: Many blame man-made global warming.
Others say its more about the natural cyclical ocean currents, sea temperatures and wind patterns.
Some wag the finger at urbanized humanity too many people, cars and concrete heating up inside nonporous asphalt jungles.
Actually, the reasons for 2014 being Earths warmest year since 1880 when record-keeping began are all of the above, according to scientists and researchers.
Explaining warmer temperatures can be complex. Unfortunately, the media...