global warming

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…low-lying metropolitan areas--at a cost, based on Dutch experience, of $1 billion per mile (Roan 88). Like the vision shown to Ebenezer Scrooge by the ghost of Christmas Yet to Come, this nightmare need not come to pass. Given current CO2 levels, some warming is bound to occur, but the worst can still be prevented. Humankind has demonstrated the awesome power to heat the entire globe; now we must demonstrate the wisdom to turn the thermostat down.