This plan to stop global warming is so crazy it just might work

Let's be honest: No one knows exactly what to do about global warming.

Carbon taxes and other abatement schemes in the West might sound good, but they are of little to no importance in the grand scheme of things, given that the vast majority of new emissions will come from developing countries that aren't going to keep hundreds of millions of people in dire poverty in exchange for a thumbs-up from Al Gore. And what of the various vaunted alternative sources of energy — wind, solar, and so forth? They all have problems, and are too expensive anyway. (What's that you say? Don't worry because one day they won't be this expensive? Well, let me know when that day comes.)

So here's an unconventional idea, courtesy of the energy analyst Matt Frost. It's risky. It's very expensive. It might even be crazy. But it also just might work — and if we want to, we can do it today.

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We know that the main factor in anthropogenic global warming is coal. Coal is the dirtiest energy source — and it's also the cheapest. As long as that's true, people will keep burning coal, and filling up the atmosphere with CO2 and warming the planet.

Frost's plan is simple: The United States government should borrow as much money as it takes, buy up all of the country's coal resources, and hold them in the ground in perpetuity. That way, that coal doesn't end up in the atmosphere. It just stays up in the ground.

As Frost points out, there are plenty of "clean coal" initiatives out there that would seek to capture coal fires' carbon emissions and put them back in the ground. All of them, as best as we can tell, are dubious and unproven. The best way to sequester that carbon is to never take it out of the ground.

Buying up all the coal instead of simply confiscating is a good idea as far as the rule of law goes. But it would also have another hugely positive effect: driving up global prices. The U.S. has the world's largest share of the world's coal reserves and exports millions of tons every year. With U.S. coal out of the market, and supply greatly diminished, the global price of coal would rise a lot — enough to make the next best alternative, natural gas, competitive. This is especially true in the U.S., where the infrastructure to extract natural gas from the ground already exists. We don't need to get the Chinese to cooperate with us on this: By simply retiring our own coal, we make coal more expensive for everyone else, and other sources of energy more competitive.

As Frost notes, there are many pitfalls, and not just the lack of any specific numbers on how much all this would cost. The plan would kneecap the U.S. coal industry, and you can be sure it won't go down without a fight. Coal-industry workers would see their livelihoods crippled, too. And so on.

Frost has been working on his plan in his spare time. It's time for it to get a wider audience so that it can be fully fleshed out. Maybe it's a blind alley — but until we know that, it's certainly one worth exploring. Because as risky, expensive, and unlikely as this plan is to succeed, it still just might.