Clip: 3/27/2019 | 8m 55sVideo has Closed Captions | CC As planet warms, scientists explore 'far out' ways to reduce atmospheric CO2 The U.S. government estimates that the

consequences of climate change are already costing the country hundreds of billions of dollars. But even if we stopped using fossil fuels immediately, the globe would continue to warm due to

an existing buildup of carbon dioxide. Miles O’Brien reports on how some scientists are now exploring unorthodox means of actually removing the gas from our atmosphere. Aired 03/27/2019

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