I'm not a global warming believer. I'm not a global warming denier. I'm a global warming agnostic who believes instinctively that it can't be very good to pump lots of CO2 into the atmosphere but is equally convinced that those who presume to know exactly where that leads are talking through their hats.
I don't think you can pump carbon dioxide into the atmosphere indefinitely and not have a reaction. But there are great scientists such as Freeman Dyson, one of the greatest physicists of the last hundred years, who has studied the question, who believes quite the opposite. The reason transnational action is so difficult is because the major problem with climate change is, A, that there is no consensus, and, B, that the economic cost is simply staggering. Reversing it completely might mean undoing the modern industrial economy.
There's no free lunch. If you want an industrial economy, you need energy. If you want energy, it will produce pollution. You can have it in two forms. You can have it dissipated in the atmosphere - like carbon dioxide - which then you cannot recover, or you can have the waste concentrated in one small space like nuclear. That is far easier to deal with. The idea that you can be able to create renewable energy at a price anywhere near the current price for oil or gas or coal is a fantasy.
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