Spike in major league home runs tied to climate change

In the history of Major League Baseball, first came the low-scoring dead-ball era, followed by the modern live-ball era characterized by power hitters such as Babe Ruth and Henry “Hank” Aaron. Then, regrettably, was the steroid era of the 1990s and early 2000s.

Now, could baseball be on the cusp of a “climate-ball” era where higher temperatures due to global warming…