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PBS News Hour
How a warming planet forces 'hard choices' on reducing 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.
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