By Dan GainorVice President Business Media Institute

Washington, D.C. was cold as ice when Al Gore slid into the Senate Wednesday. But the former vice president turned up the heat, warning of "the one challenge that could completely end human civilization."

No, he didn't mean a sequel to "An Inconvenient Truth." He meant global warming. On a day when "a layer of sleet and freezing rain blanketed the Washington area,"Gore told everyone it was going to get warmer. A lot warmer.

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"This is the most serious challenge the world has ever faced." He said to the committee of loving Democrats and mostly lapdog Republicans that this challenge was comparable to the potential for nuclear war.

The appearance was predictably long -- nearly three hours -- and filled with Gorean slide shows. It was also similarly apocalyptic as Gore cited the dangers of the future. At one point he compared the earth to Venus and implied our planet could become a hot zone like the second planet. He even referred to the much maligned James Lovelock, founder of the Gaia theory and the guy who has predicted mankind will almost be wiped out by 2100 from global warming.

But never fear. Gore is certain that all scientists know what they are doing and all agree -- though they don't. As he put it, the global warming "scientists are practically screaming from the rooftops." That would be the ice-covered rooftops that abounded during his latest visit to D.C.

Here's just one sample of the misery that awaits us if we don't obey the green man.

"Most importantly, as long as we continue to depend on dirty fossil fuels like coal and oil to meet our energy needs, and dump 70 million tons of global warming pollution into the thin shell of atmosphere surrounding our planet, we move closer and closer to several dangerous tipping points which scientists have repeatedly warned - again just yesterday - will threaten to make it impossible for us to avoid irretrievable destruction of the conditions that make human civilization possible on this planet."

It almost makes you want to be a better person -- to fly around the globe spewing carbon everywhere you go to be just like our former vice president.

Dan Gainor is The Boone Pickens Fellow and Vice President of the Media Research Center's Business Media Institute. His column appears each week on Foxforum and he can be seen each Thursday from 9-10:30 on Foxnews.com's "Strategy Room."

Dan Gainor is the Media Research Center's Vice President for Business and Culture. He writes frequently about media for Fox News Opinion. He can also be contacted on Facebook and Twitter as dangainor.