Mars is warming up, too; what does that say about Earth? |

Mars is warming up, too; what does that say about Earth?

I note that the great controversy over human activities as the cause of global warming has once again bubbled to the top of your opinion pages in all its rancorous splendor.

I wonder if those who believe we are to blame for the current warming trend here on Earth could fill me in on a small point. I note from my most recent issue of Sky and Telescope magazine that Mars, the most Earth-like of our planetary neighbors, has been experiencing a protracted episode of considerable planetary warming.

The trend has been ongoing over more than half a century, and is well documented in aerological research. When, then, did we rapacious humans colonize the Red Planet and begin callously polluting its atmosphere with our SUVs and power plants? I must have missed that item in the news.

And where on Mars did the human colonists come up with enough fossil fuels to produce this warming effect? Hmmm?

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