Fox's Tim McCarver shared his controversial climate change theory to explain increases in Major League Baseball home runs over the weekend, and sports bloggers wasted many valuable gigabytes mocking his position.

"It has not been proven, but I think ultimately it will be proven that the air is thinner now, there have been climactic changes over the last 50 years in the world, and I think that's one of the reasons balls are carrying much better now than I remember," McCarver told viewers of Fox's Saturday Brewers-Cardinals broadcast.

We'd have provided the video, but Major League Baseball quickly made it disappear from hundreds of websites that had linked to the YouTube clip. Unlike the NBA, the boys at baseball don't like fans sharing video of their sport, unless it's on

Nonetheless, as a result of McCarver's words, a leading climate expert gave his two cents on the debate.

Michael Mann, Penn State climatologist and author of "The Hockey Stick and the Climate Wars," didn't put much stock into McCarver's link between climate change and baseballs carrying farther. In fact, he believes in the opposite theory.

"If anything, anthropogenic carbon emissions and global warming should make the atmosphere slightly heavier, because we're taking carbon that was trapped in the solid earth and releasing to the atmosphere (in the form of CO2), and a warmer atmosphere will hold more water vapor. Both CO2 and water vapor contribute (slightly) to the mass of the atmosphere," Mann told Peter Dykstra of

In other words, McCarver's theory is out in left field.

This is just about the only place you can still see McCarver's comments. [H/T]

-- Follow Ben Maller on Twitter @BenMaller.

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