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> could capture carbon dioxide for less than US $50 a metric ton

We currently are emitting 50 BILLION tons per year planet wide. So a mere $2.5 trillion per year to solve the problem? And a lot of trains.

Net zero for 2.5 trillion a year would be a great deal. We will pay far more than that

Yeah, I was being a bit sarcastic, I don't think $50 a ton is a real number; certainly not an "all expenses in" number.

People can't seem to wrap their heads around numbers like 50 billion tons of CO2 ADDED a year.